In your database, the RESULT_CACHE_MODE parameter has been set to MANUAL in the initialization parameter file.
You issued the following command:
SQL>SELECT /*+ RESULT_CACHE */ sale_category, sum(sale_amt) FROM sales
GROUP BY sale_category;
Where would the result of this query be stored?
A. PGA
B. large pool
C. shared pool
D. database buffer cache
Answer: C
You are working on a CATDB database that contains an Oracle Database version 11.1 catalog schema owned by the user RCO11. The INST1 database contains an Oracle Database version 10.1 catalog schema owned by the user RCAT10.
You want the RMAN to import metadata for database IDs 1423241 and 1423242, registered in RCAT10, into the recovery catalog owned by RCO11.
You executed the following RMAN commands:
RMAN> CONNECT CATALOG rco11/password@catdb
RMAN> IMPORT CATALOG rcat10/oracle@inst1;
What happens when you execute the above commands? (Choose all that apply.)
A. They deregister all databases registered in the RCAT10 catalog.
B. They import metadata for all registered databases in the RCAT10 database.
C. They register all the RCAT10-catalog registered databases in the RCO11 catalog.
D. They overwrite all stored scripts in the RCO11 catalog with the same name as that in the RCAT10 catalog.
Answer: ABC
Tuesday, 8 January 2019
Monday, 3 September 2018
Orcle 1Z0-050 Question Answer
Which two statements about Oracle Direct Network File System (NFS) are true? (Choose two.)
A. It bypasses the OS file system cache.
B. A separate NFS interface is required for use across Linux, UNIX, and Windows platforms.
C. It uses the operating system kernel NFS layer for user tasks and network communication modules.
D. File systems need not be mounted by the kernel NFS system when being served through Direct NFS.
E. Oracle Disk Manager can manage NFS on its own, without using the operating system kernel NFS driver.
Answer: AE
You are managing an Oracle Database 11g instance with ASM storage. You lost an ASM disk group DATA. You have RMAN backup of data as well as ASM metadata backup. You want to re-create the missing disk group by using the ASMCMD md_restore command. Which of these methods would you use to achieve this? (Choose all that apply.)
A. Restore metadata in an existing disk group by passing the existing disk group name as an input parameter.
B. Restore the disk group with changed disk group specification, failure group specification, disk group name, and other disk attributes.
C. Restore the disk group with the exact configuration as the backed-up disk group, using the same disk group name, same set of disks, and failure group configurations.
D. Restore the disk group with the exact configuration as the backed-up disk group, using the same disk group name, same set of disks, failure group configurations, and data on the disk group.
Answer: ABC
A. It bypasses the OS file system cache.
B. A separate NFS interface is required for use across Linux, UNIX, and Windows platforms.
C. It uses the operating system kernel NFS layer for user tasks and network communication modules.
D. File systems need not be mounted by the kernel NFS system when being served through Direct NFS.
E. Oracle Disk Manager can manage NFS on its own, without using the operating system kernel NFS driver.
Answer: AE
You are managing an Oracle Database 11g instance with ASM storage. You lost an ASM disk group DATA. You have RMAN backup of data as well as ASM metadata backup. You want to re-create the missing disk group by using the ASMCMD md_restore command. Which of these methods would you use to achieve this? (Choose all that apply.)
A. Restore metadata in an existing disk group by passing the existing disk group name as an input parameter.
B. Restore the disk group with changed disk group specification, failure group specification, disk group name, and other disk attributes.
C. Restore the disk group with the exact configuration as the backed-up disk group, using the same disk group name, same set of disks, and failure group configurations.
D. Restore the disk group with the exact configuration as the backed-up disk group, using the same disk group name, same set of disks, failure group configurations, and data on the disk group.
Answer: ABC
Thursday, 22 February 2018
Orcle 1Z0-050 Question Answer
Which statements are true regarding system-partitioned tables? (Choose all that apply.)
A. Only a single partitioning key column can be specified.
B. All DML statements must use partition-extended syntax.
C. The same physical attributes must be specified for each partition.
D. Unique local indexes cannot be created on a system-partitioned table.
E. Traditional partition pruning and partitionwise joins are not supported on these tables.
Answer: DE
The OPTIMIZER_USE_PLAN_BASELINES parameter is set to TRUE. The optimizer generates a plan for a SQL statement but does not find a matching plan in the SQL plan baseline. Which two operations are performed by the optimizer in this scenario? (Choose two.)
A. The optimizer adds the new plan to the plan history.
B. The optimizer selects the new plan for the execution of the SQL statement.
C. The optimizer adds the new plan to the SQL plan baseline as an accepted plan.
D. The optimizer adds the new plan to the SQL plan baseline but not in the ENABLED state.
E. The optimizer costs each of the accepted plans in the SQL plan baseline and picks the one with the lowest cost.
Answer: AE
A. Only a single partitioning key column can be specified.
B. All DML statements must use partition-extended syntax.
C. The same physical attributes must be specified for each partition.
D. Unique local indexes cannot be created on a system-partitioned table.
E. Traditional partition pruning and partitionwise joins are not supported on these tables.
Answer: DE
The OPTIMIZER_USE_PLAN_BASELINES parameter is set to TRUE. The optimizer generates a plan for a SQL statement but does not find a matching plan in the SQL plan baseline. Which two operations are performed by the optimizer in this scenario? (Choose two.)
A. The optimizer adds the new plan to the plan history.
B. The optimizer selects the new plan for the execution of the SQL statement.
C. The optimizer adds the new plan to the SQL plan baseline as an accepted plan.
D. The optimizer adds the new plan to the SQL plan baseline but not in the ENABLED state.
E. The optimizer costs each of the accepted plans in the SQL plan baseline and picks the one with the lowest cost.
Answer: AE
Thursday, 21 December 2017
Oracle Hosts Bay Area Girl Geeks And Asks: What's Your Superpower?
As an Oracle executive, Vivian Wong has achieved a lot, but she does not consider it anything compared to her mother's trip. With gentle authority and a charming Chinese-Australian accent, Wong explains that when he was 11, his mother moved the family to Australia on a tourist visa, sacrificing his own engineering career in China. "We were illegal immigrants, so my mother washed the dishes," said Wong, a computer scientist and vice president of the group for the development of higher education at Oracle.
His mother, who had been an experienced railway engineer, returned to university in Australia at the end of his 40 years. It took him almost 10 years to return to work as a draftsman and engineer. "Ten years after that, he directed the design of the railway for the 2000 Sydney Olympics." If my single mother could do that, everything I do is a piece of cake, "Wong told more than 400 women who had gathered at Oracle's headquarters for the company's first Girl Geek dinner.
Founded in 2008 by Angie Chang, Bay Area Girl Geek Dinners are the Silicon Valley version of the networking events for women that Chang had announced in Europe in 2007. I met Chang in 2011 while covering a much smaller Girl Geek dinner, and I was impressed by how popular Chang's events have become: Oracle was on an 18-month waiting list for the December 2017 date.
What has changed in the last decade? "Women are more ambitious now, they come with a purpose," Chang said. She believes that the effect of the network is powerful, and the proof is in the women who return to the dinners as they advance in their careers: "The person who came a few years ago as an entrepreneur has now returned and is funded by capital The engineer returns and she is vice president. "
But newcomers are always welcome, and Chang's business partner, Sukrutha Bhadouria, has the mission to keep it that way: "I want to make sure that Girl Geek Dinners attracts the person I was when I was looking for a network for the first time." She is now the senior director of engineering at Salesforce, but she still remembers the feeling of being a new graduate with a master's degree in electrical engineering from USC. He liked Girl Geek Dinners a lot, joined as CEO in 2011, doubling the size of Chang's team to two.
The next generation of girl geeks
Every Girl Geek Dinner highlights the work of the host company. In the Oracle event, the demos showed emerging technologies such as a robotic arm controlled by IoT gestures and toys, as well as innovations in Oracle Database, its new Oracle Student Cloud and the basic power of Oracle Cloud Infrastructure. The Oracle Education Foundation also had an important message of inclusion.
"People assume that when you work in computer science, that means that you write code, but what we know here at Oracle is that there is a lot that supports code writing," says Teryll Hopper, Oracle Volunteers global program manager. "If you create a product, you have to market that product, sell that product, and there's also a project that manages everything, so you know how and when it's going to be done, there are many ways to participate."
Hopper is part of a major effort to help develop the next generation of talent: Oracle is the first technology company to build a public high school in its headquarters. Design Tech High School (d.tech) is a pioneer public high school in California that combines technology and design thinking to help students succeed in college and in future careers. Oracle Volunteers make a great contribution to the effort by training d.tech students in the classes offered by the Oracle Education Foundation during the four annual d.tech sessions.
"D.tech students participate in two-week classes provided by Oracle Education Foundation with the support of Oracle Volunteer technologists and entrepreneurs In our classes, students work on design challenges in domains such as IoT, wearables, 3D modeling and At the end of each two-week class, they make a presentation about their prototypes and how they have solved a problem for the user.The Oracle Volunteers who help train students through these classes are an integral part of the program. the foundation, without them, we could not do it, "Hopper said.
A panel of female executives, moderated by Maria Kaval, vice president of IU technologies at Oracle, shared her selected wisdom on corporate culture, superpowers, mentoring and the rise to management.
Integration of Startups and Corporate Cultures
Oracle Data Cloud was developed mainly through acquisitions, but the merging of new companies into a productive business unit is a challenge. "It's been really important to keep those parts of the culture of all these startups, and it's not easy to do, it's something we do when we look at merger and acquisition opportunities," said Michelle Hulst, vice president of strategic partnerships and business development. Oracle "We're not even on the road, even if it's the best commercial fit possible, if that team does not fit well from a cultural point of view."
Hulst supervises a culture committee, whose "job is to attract those organizations and unify them under Oracle Data Cloud, but maintain the culture of innovation that made them special, so we do not lose sight of it as an organization."
In superpowers
Kaval asked Oracle executives what each of their "superpowers" is.
"I have the power to" make it happen. "Some people are good with strategic ideas, and others are good at creating the execution plan, my superpower combines both," said Rashim Mogha, senior director of product management at Oracle Cloud. Infrastructure. A male executive was the first to point this out to him: "Some time ago I realized that I was constantly being given ambiguous projects that needed to go deeper into the problem to create a solution, and that my team depended on me to translate that strategy into a plan that they could execute. "
Wong had a different answer. "My superpower is collaboration, I gather the troops: 'Let's design!' 'Let's make a baby shower!' "He joked, causing a wave of laughter in the audience. "A lot of what we are building is too complex for a person to create, it requires an army to design and develop it from end to end."
Mentoring and management
"When I was an individual collaborator, I always ended up in charge," said Gretchen Alarcón, vice president of the Oracle group for the human capital management strategy. Even so, "the role of VP was a very big change", and he took the trouble to meet with his team of former colleagues to make sure they accepted his leadership. But the biggest surprise, he said, came when he was asked to be a mentor: "I was impressed, I was like, really?" But after being a mentor, the important thing is to remember that when that relationship comes to an end, that connection I still recommend them for jobs, think of them as someone you are investing in. "
In fact, a woman engineer from another technology company with a master's degree in IT (who did not want to be named) told me that she wanted to make the transition to product management and that she had attended the event with the hope of meeting a mentor. She had her chance after the panel to talk face to face with Mogha.
"I want to create a relationship with a product manager that tells me the personality traits that I need, or that I just stay in engineering." It is very difficult to do this in a corporation where female leaders are not promoted. he will know who could help him, or if they will give him the right advice, what Rashim did, that was incredible, "she said, enthused by how Mogha had mentioned heading her own project and obtaining the PMP certification (actions that this engineer had already taken) and He offered to review his resume after the event.
You do not know what you need until you need it
The words that most impressed me at the end of the night came from Wong, who described how his team sought to build the Oracle Student Cloud product: "We have a mantra that my development team uses, and it is: Anticipate the need, illuminate the way and empower students to be successful. "If recent research on how talent flourishes demonstrates something, it is that we need to see more women like Wong and his classmates in order to expand our vision of what is possible.
Events for women in technology are a bit like women's colleges: you do not realize how much you need them until you're there. There were small details that calmed me down, like a woman's shirt. And then there were great: an executive panel composed exclusively of frightening women, many of whom are also mothers.
Finally, there was something too subtle to comment on, but I realized later that I had never heard before at a technology conference: the sound of 400 women laughing, in a room of their own.
Founded in 2008 by Angie Chang, Bay Area Girl Geek Dinners are the Silicon Valley version of the networking events for women that Chang had announced in Europe in 2007. I met Chang in 2011 while covering a much smaller Girl Geek dinner, and I was impressed by how popular Chang's events have become: Oracle was on an 18-month waiting list for the December 2017 date.
What has changed in the last decade? "Women are more ambitious now, they come with a purpose," Chang said. She believes that the effect of the network is powerful, and the proof is in the women who return to the dinners as they advance in their careers: "The person who came a few years ago as an entrepreneur has now returned and is funded by capital The engineer returns and she is vice president. "
But newcomers are always welcome, and Chang's business partner, Sukrutha Bhadouria, has the mission to keep it that way: "I want to make sure that Girl Geek Dinners attracts the person I was when I was looking for a network for the first time." She is now the senior director of engineering at Salesforce, but she still remembers the feeling of being a new graduate with a master's degree in electrical engineering from USC. He liked Girl Geek Dinners a lot, joined as CEO in 2011, doubling the size of Chang's team to two.
The next generation of girl geeks
Every Girl Geek Dinner highlights the work of the host company. In the Oracle event, the demos showed emerging technologies such as a robotic arm controlled by IoT gestures and toys, as well as innovations in Oracle Database, its new Oracle Student Cloud and the basic power of Oracle Cloud Infrastructure. The Oracle Education Foundation also had an important message of inclusion.
"People assume that when you work in computer science, that means that you write code, but what we know here at Oracle is that there is a lot that supports code writing," says Teryll Hopper, Oracle Volunteers global program manager. "If you create a product, you have to market that product, sell that product, and there's also a project that manages everything, so you know how and when it's going to be done, there are many ways to participate."
Hopper is part of a major effort to help develop the next generation of talent: Oracle is the first technology company to build a public high school in its headquarters. Design Tech High School (d.tech) is a pioneer public high school in California that combines technology and design thinking to help students succeed in college and in future careers. Oracle Volunteers make a great contribution to the effort by training d.tech students in the classes offered by the Oracle Education Foundation during the four annual d.tech sessions.
"D.tech students participate in two-week classes provided by Oracle Education Foundation with the support of Oracle Volunteer technologists and entrepreneurs In our classes, students work on design challenges in domains such as IoT, wearables, 3D modeling and At the end of each two-week class, they make a presentation about their prototypes and how they have solved a problem for the user.The Oracle Volunteers who help train students through these classes are an integral part of the program. the foundation, without them, we could not do it, "Hopper said.
A panel of female executives, moderated by Maria Kaval, vice president of IU technologies at Oracle, shared her selected wisdom on corporate culture, superpowers, mentoring and the rise to management.
Integration of Startups and Corporate Cultures
Oracle Data Cloud was developed mainly through acquisitions, but the merging of new companies into a productive business unit is a challenge. "It's been really important to keep those parts of the culture of all these startups, and it's not easy to do, it's something we do when we look at merger and acquisition opportunities," said Michelle Hulst, vice president of strategic partnerships and business development. Oracle "We're not even on the road, even if it's the best commercial fit possible, if that team does not fit well from a cultural point of view."
Hulst supervises a culture committee, whose "job is to attract those organizations and unify them under Oracle Data Cloud, but maintain the culture of innovation that made them special, so we do not lose sight of it as an organization."
In superpowers
Kaval asked Oracle executives what each of their "superpowers" is.
"I have the power to" make it happen. "Some people are good with strategic ideas, and others are good at creating the execution plan, my superpower combines both," said Rashim Mogha, senior director of product management at Oracle Cloud. Infrastructure. A male executive was the first to point this out to him: "Some time ago I realized that I was constantly being given ambiguous projects that needed to go deeper into the problem to create a solution, and that my team depended on me to translate that strategy into a plan that they could execute. "
Wong had a different answer. "My superpower is collaboration, I gather the troops: 'Let's design!' 'Let's make a baby shower!' "He joked, causing a wave of laughter in the audience. "A lot of what we are building is too complex for a person to create, it requires an army to design and develop it from end to end."
Mentoring and management
"When I was an individual collaborator, I always ended up in charge," said Gretchen Alarcón, vice president of the Oracle group for the human capital management strategy. Even so, "the role of VP was a very big change", and he took the trouble to meet with his team of former colleagues to make sure they accepted his leadership. But the biggest surprise, he said, came when he was asked to be a mentor: "I was impressed, I was like, really?" But after being a mentor, the important thing is to remember that when that relationship comes to an end, that connection I still recommend them for jobs, think of them as someone you are investing in. "
In fact, a woman engineer from another technology company with a master's degree in IT (who did not want to be named) told me that she wanted to make the transition to product management and that she had attended the event with the hope of meeting a mentor. She had her chance after the panel to talk face to face with Mogha.
"I want to create a relationship with a product manager that tells me the personality traits that I need, or that I just stay in engineering." It is very difficult to do this in a corporation where female leaders are not promoted. he will know who could help him, or if they will give him the right advice, what Rashim did, that was incredible, "she said, enthused by how Mogha had mentioned heading her own project and obtaining the PMP certification (actions that this engineer had already taken) and He offered to review his resume after the event.
You do not know what you need until you need it
The words that most impressed me at the end of the night came from Wong, who described how his team sought to build the Oracle Student Cloud product: "We have a mantra that my development team uses, and it is: Anticipate the need, illuminate the way and empower students to be successful. "If recent research on how talent flourishes demonstrates something, it is that we need to see more women like Wong and his classmates in order to expand our vision of what is possible.
Events for women in technology are a bit like women's colleges: you do not realize how much you need them until you're there. There were small details that calmed me down, like a woman's shirt. And then there were great: an executive panel composed exclusively of frightening women, many of whom are also mothers.
Finally, there was something too subtle to comment on, but I realized later that I had never heard before at a technology conference: the sound of 400 women laughing, in a room of their own.
Tuesday, 7 November 2017
Orcle 1Z0-050 Question Answer
You performed the RMAN database backup having a backupset key number 231 with the KEEP FOREVER option. After some days, you want to change the status of the database backup and you issued the following command:
RMAN>CHANGE BACKUPSET 231 NOKEEP;
What is the implication of this command?
A. The backup is deleted.
B. The backup is marked unavailable.
C. The backup overrides the backup retention policy.
D. the backup becomes eligible for deletion according to the existing retention policy
Answer: D
RMAN>CHANGE BACKUPSET 231 NOKEEP;
What is the implication of this command?
A. The backup is deleted.
B. The backup is marked unavailable.
C. The backup overrides the backup retention policy.
D. the backup becomes eligible for deletion according to the existing retention policy
Answer: D
Tuesday, 12 September 2017
Orcle 1Z0-050 Question Answer
Which client requests to the database can be captured as a part of the workload capture?
(Choose all that apply.)
A. flashback query
B. distributed transactions
C. logging in and logging out of sessions
D. all DDL statements having bind variables
E. direct path load of data from external files
Answer: C,D
You are managing the APPPROD database as a DBA which is not using the Oracle-managed files.
You plan to duplicate this database in the same system with the name DUPDB.You want to create the same directory structure for duplicate database files as of the target database.
You executed the following RMAN commands:
RMAN> CONNECT TARGET sys/sys@APPPROD
RMAN> CONNECT AUXILIARY sys/sys@DUPDB
RMAN> DUPLICATE TARGET DATABASE TO
dupdb
FROM ACTIVE DATABASE
PASSWORD FILE
SPILE
NOFILENAMECHECK;
What are the implications of this command?
A. It creates database files for the duplicate database under the Oracle base with a different directory for the duplicate database.
B. It overwrites data files of the target database because a different location for data files is not mentioned for the duplicate database.
C. It creates database files for the duplicate database under the same Oracle home as that of the target database with the same directory structure.
D. It creates database files for the duplicate database under the same Oracle home as that of the target but with a different directory for the duplicate database.
Answer: B
(Choose all that apply.)
A. flashback query
B. distributed transactions
C. logging in and logging out of sessions
D. all DDL statements having bind variables
E. direct path load of data from external files
Answer: C,D
You are managing the APPPROD database as a DBA which is not using the Oracle-managed files.
You plan to duplicate this database in the same system with the name DUPDB.You want to create the same directory structure for duplicate database files as of the target database.
You executed the following RMAN commands:
RMAN> CONNECT TARGET sys/sys@APPPROD
RMAN> CONNECT AUXILIARY sys/sys@DUPDB
RMAN> DUPLICATE TARGET DATABASE TO
dupdb
FROM ACTIVE DATABASE
PASSWORD FILE
SPILE
NOFILENAMECHECK;
What are the implications of this command?
A. It creates database files for the duplicate database under the Oracle base with a different directory for the duplicate database.
B. It overwrites data files of the target database because a different location for data files is not mentioned for the duplicate database.
C. It creates database files for the duplicate database under the same Oracle home as that of the target database with the same directory structure.
D. It creates database files for the duplicate database under the same Oracle home as that of the target but with a different directory for the duplicate database.
Answer: B
Monday, 8 May 2017
Orcle 1Z0-050 Question Answer
You issued the following command:
CREATE GLOBAL TEMPORARY TABLE admin_work_area
(startdate DATE,
enddate DATE,
class CHAR(20))
ON COMMIT DELETE ROWS
TABLESPACE tbs_t1;
An index is then created on the ADMIN_WORK_AREA temporary table.
Which two statements are true regarding the TBS_T1 tablespace in the above command? (Choose two.)
A. It stores only the temporary table but not its indexes.
B. It stores both the temporary table as well as its indexes.
C. It must be a nondefault temporary tablespace for the database.
D. It can be a default or nondefault temporary tablespace for the database.
E. It must be the default temporary tablespace of the user who issues the command.
Answer: B,D
CREATE GLOBAL TEMPORARY TABLE admin_work_area
(startdate DATE,
enddate DATE,
class CHAR(20))
ON COMMIT DELETE ROWS
TABLESPACE tbs_t1;
An index is then created on the ADMIN_WORK_AREA temporary table.
Which two statements are true regarding the TBS_T1 tablespace in the above command? (Choose two.)
A. It stores only the temporary table but not its indexes.
B. It stores both the temporary table as well as its indexes.
C. It must be a nondefault temporary tablespace for the database.
D. It can be a default or nondefault temporary tablespace for the database.
E. It must be the default temporary tablespace of the user who issues the command.
Answer: B,D
Thursday, 8 December 2016
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Thursday, 1 September 2016
Pass4sure 1Z0-050 Question Answer
You are planning to set the value for the MEMORY_TARGET parameter of your database instance.What value would you assign?
A. 90 MB
B. 272 MB
C. 362 MB
D. 1440 MB
Answer: C
1Z0-050 Exam Questions 1Z0-050 BrainDumps Oracle Exams Questions Dumps
A. 90 MB
B. 272 MB
C. 362 MB
D. 1440 MB
Answer: C
1Z0-050 Exam Questions 1Z0-050 BrainDumps Oracle Exams Questions Dumps
Tuesday, 12 July 2016
Oracle Stock Spikes On Upgrade, Cloud Prospects
Shares of Oracle rose about 1.6 percent on Tuesday after an analyst was optimistic on the company's cloud growth.
BMO Capital Markets raised its rating on Oracle to "outperform" on Tuesday, writing that the technology company provides "consistency and growth" in spite of declining new software license revenue.
The company's cloud promotions around software-as-a-service (SaaS) and platform-as-a-service (PaaS), as well as recent acquisitions, should provide strong organic revenue growth, BMO analyst Keith Bachman wrote in a research note.
"We believe Cloud SaaS and PaaS revenue growth will remain very strong throughout our forecast period, due in part to management's aggressive push into the cloud," Bachman wrote.
Also on Tuesday, NetSuite shares popped about 11 percent after unconfirmed rumors in connection with a takeover by Oracle. No major news websites carried the report. Oracle declined to comment to CNBC.
BMO Capital Markets raised its rating on Oracle to "outperform" on Tuesday, writing that the technology company provides "consistency and growth" in spite of declining new software license revenue.
The company's cloud promotions around software-as-a-service (SaaS) and platform-as-a-service (PaaS), as well as recent acquisitions, should provide strong organic revenue growth, BMO analyst Keith Bachman wrote in a research note.
"We believe Cloud SaaS and PaaS revenue growth will remain very strong throughout our forecast period, due in part to management's aggressive push into the cloud," Bachman wrote.
Also on Tuesday, NetSuite shares popped about 11 percent after unconfirmed rumors in connection with a takeover by Oracle. No major news websites carried the report. Oracle declined to comment to CNBC.
Thursday, 9 June 2016
Pass4sure 1Z0-050 Question Answer
Examine the following command that is executed for the TRANSPORT table in the SH schema: SQL> SELECT DBMS_STATS.CREATE_EXTENDED_STATS('sh', 'customers_obe', '(country_id, cust_state_province)') FROM dual; Which statement describes the significance of this command?
A. It collects statistics into the pending area in the data dictionary.
B. It creates a virtual hidden column in the CUSTOMERS_OBE table.
C. It collects statistics with AUTO_SAMPLE_SIZE for ESTIMATE_PERCENT.
D. It creates a histogram to hold skewed information about the data in the columns.
Answer: B
A. It collects statistics into the pending area in the data dictionary.
B. It creates a virtual hidden column in the CUSTOMERS_OBE table.
C. It collects statistics with AUTO_SAMPLE_SIZE for ESTIMATE_PERCENT.
D. It creates a histogram to hold skewed information about the data in the columns.
Answer: B
Monday, 9 May 2016
Pass4sure 1Z0-050 Question Answer
You want to take the backup of the USERS tablespace. It has a single data file of 900 MB .. You have tape drives of 300 MB each. The SBT channel is configured for the RMAN. To accomplish the backup, you issued the following RMAN command: RMAN> BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true regarding the execution of the above command? (Choose two.)
A. The backup piece size will be limited to 300 MB .
B. The operation is accomplished using the default channel available.
C. The RMAN parallelizes the backup although the parallelism is not set for a channel.
D. Three channels for the tape drive must be configured by setting the parallelism to three.
Answer: A, B
A. The backup piece size will be limited to 300 MB .
B. The operation is accomplished using the default channel available.
C. The RMAN parallelizes the backup although the parallelism is not set for a channel.
D. Three channels for the tape drive must be configured by setting the parallelism to three.
Answer: A, B
Tuesday, 5 April 2016
Pass4sure 1Z0-050 Question Answer
When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics. Which two statements describe the implications of this? (Choose two.)
A. It produces less accurate results of the comparison analysis.
B. It automatically calls the SQL Tuning Advisor for recommendations.
C. It shortens the time of execution and reduces the impact on system resources.
D. Only the changes in the execution plan, and not performance regression, are detected.
Answer: A, C
A. It produces less accurate results of the comparison analysis.
B. It automatically calls the SQL Tuning Advisor for recommendations.
C. It shortens the time of execution and reduces the impact on system resources.
D. Only the changes in the execution plan, and not performance regression, are detected.
Answer: A, C
Wednesday, 2 March 2016
Pass4sure 1Z0-050 Question Answer
Which statements are true regarding the concept of problems and incidents in the fault diagnosability infrastructure for Oracle Database 11g? (Choose all that apply.)
A. The problem key is the same as the incident number.
B. Every problem has a problem key, which is a text string that describes the problem.
C. The database makes an entry into the alert log file when problems and incidents occur.
D. The database sends an incident alert to the Oracle Enterprise Manager Database Home page.
E. Only the incident metadata and dumps are stored in the Automatic Diagnostic Repository (ADR).
Answer: B, C, D
You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB . You have tape drives of 300 MB each. To accomplish the backup, you issued the following RMAN command: RMAN>BACKUP SECTION SIZE 300M TABLESPACE users; What configuration should be effected to accomplish faster and optimized backups by using the above command?
A. The SBT channel must be configured, with the MAXPIECESIZE set to 300 MB
B. The SBT channel must be configured, with the parallelism setting for the SBT device set to 3.
C. The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0.
D. The SBT channel must be configured, with the default parallelism setting for the SBT device set to 1.
Answer: B
A. The problem key is the same as the incident number.
B. Every problem has a problem key, which is a text string that describes the problem.
C. The database makes an entry into the alert log file when problems and incidents occur.
D. The database sends an incident alert to the Oracle Enterprise Manager Database Home page.
E. Only the incident metadata and dumps are stored in the Automatic Diagnostic Repository (ADR).
Answer: B, C, D
You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB . You have tape drives of 300 MB each. To accomplish the backup, you issued the following RMAN command: RMAN>BACKUP SECTION SIZE 300M TABLESPACE users; What configuration should be effected to accomplish faster and optimized backups by using the above command?
A. The SBT channel must be configured, with the MAXPIECESIZE set to 300 MB
B. The SBT channel must be configured, with the parallelism setting for the SBT device set to 3.
C. The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0.
D. The SBT channel must be configured, with the default parallelism setting for the SBT device set to 1.
Answer: B
Sunday, 28 February 2016
Oracle Hopes To Build Home For Public School On its Campus
Plenty of tech companies are trying to re-engineer education. But Oracle is taking a novel approach — building a public high school at its headquarters in Redwood Shores.
If it wins the necessary approvals, Oracle will break ground in June on a 64,000-square foot, two-story structure that will become the permanent home of Design Tech High School, a two-year-old charter school authorized by the San Mateo Union High School District.
Students would take Oracle shuttles, eat Oracle food (in their own cafeteria) and use Oracle’s gym (when employees are not using it).
For now, the school known as D.tech occupies a former adult-education center in Burlingame owned by San Mateo County, its second home in two years.
Along with core subjects such as English, math and history, all students take a course each year in design thinking, a popular problem-solving strategy. Students learn at their own pace, some lectures are opt-in, and failure is celebrated as a learning experience.
“Failure is anathema to most schools today,” said Colleen Cassity, executive director of the Oracle Education Foundation. “If you could teach failure as a learning experience, you could change the game in education.”
Oracle says it won’t design the curriculum or run the school. But its employees will continue to participate in two-week “intersessions,” when students take a break from core classes to learn coding, basic electrical engineering and other skills.
“The school will operate autonomously,” Cassity said. “We think the curriculum is powerful.”
Alan Gjerstad (left) and Jared Lin are students at Design Tech High in Burlingame.
“Tech is one of our primary tools for teaching students,” said Ken Montgomery, D.tech’s executive director. “They all have Chromebooks, all materials are online. They also create technology.”
In the school’s “design realization garage,” on Thursday, one group of boys was building a trebuchet (a type of catapult), while another edited a video. A third group used a 3-D printer to make a replacement foosball for one that got lost. Nick Dal Porto was soldering a quadcopter piece that got broken.
Sophomore Cypress Sell was using a laser cutter to create what she called “a reasonably sized box” to store “witchcrafty items.” She likes D.tech because “you are doing something because you are interested in it, not because it’s an assignment.”
The only thing Sell doesn’t like is the long commute from the coastal town of Montara. “I’m sad I will only get to be at the (Oracle campus) for one year,” she added.
Oracle brass met the D.tech team at a design challenge the Oracle Education Foundation convened. It invited nine high schools to “help us rapidly prototype some elements of our new operating program,” Cassity said.
D.tech, she said, “stood head and shoulders above the rest. They speak the language of education and also the language of innovation and technology sectors. We understand them. They understand us.”
Many tech companies and executives are aiming to transform schools. Facebook CEO Mark Zuckerberg and his wife are starting a private school in East Palo Alto that will integrate education and health care for disadvantaged children. Laurene Powell Jobs, Steve Jobs’ widow, is giving $10 million to five or 10 teams that come up with the best ideas for a new high school.
IBM pioneered P-TECH, a six-year program that combines high school, community college and workplace skills. It’s now in 40 schools. Since 1999, the Bill and Melinda Gates Foundation has given $6.7 billion to education, including $4 billion to K-12 schools.
Facebook and IBM, however, haven’t built public schools at their corporate headquarters.
Oracle will own the land and building and lease it to the school “for zero or perhaps a buck,” Cassity said. Because it will retain ownership, Oracle will not get a tax deduction for the project, she added.
As a charter school, D.tech is open to any student in the state. But if demand exceeds supply, the school will hold a lottery, using a system that gives local students preference. Students from the San Mateo district will each get five virtual lottery tickets. Students from the neighboring Sequoia Union High School District, where Oracle is located, will get four each. Everyone else will get one.
The two high school districts agreed to pay D.tech about $8,400 for each student from their district who attends the charter school, even though the Sequoia district did not have to because it’s a basic-aid district that gets no state funding because its local property taxes are so high. The funding agreement between the San Mateo and Sequoia districts is a first, Montgomery said.
The new school needs approval from Redwood City and, because it’s near the shoreline, the San Francisco Bay Conservation and Development Commission. The city has posted the plan at www.redwoodcity.org/designtech and is taking public comments through March 10. Comments can be emailed to lchan@redwoodcity.org.
At a meeting of the Redwood City Planning Commission on Feb. 16, the only concerns raised by residents were about increased traffic and ensuring that Redwood City students can attend. To mitigate traffic, students will not be allowed to park on campus. They can be dropped off or take an Oracle shuttle from the Millbrae BART and San Carlos Caltrain stations.
“People are happy that a school is getting built that doesn’t rely on taxpayer funding,” Montgomery said.
The school was Oracle CEO Safra Catz’s idea. Catz and Oracle Chairman Larry Ellison had been talking for years about the need for a school “that teaches students how to think,” Cassity said.
The school revolves around design thinking, also called human-centered design. “You begin by empathizing with your user, deeply understanding their problem,” Cassity said. The next steps are “ideation” or brainstorming a solution, building a rapid prototype, taking it back to the user for feedback and incorporating it into the next version.
“We have all kinds of agreements between high schools and career tech programs.” said Michael Kirst, president of the California State Board of Education. There are students learning auto repair at auto dealerships and future farmers working on farms.
But D.tech, he said, is different. “This is the total package.”
Kirst said the state will be monitoring the school to see how it works.
“Whether it can be scaled up depends on whether a lot of businesses want to do this,” Kirst said. “It’s one thing to run an experimental school on its grounds, another to extrapolate and say this should be done generally, or this is a big solution to solving schools.”
If it wins the necessary approvals, Oracle will break ground in June on a 64,000-square foot, two-story structure that will become the permanent home of Design Tech High School, a two-year-old charter school authorized by the San Mateo Union High School District.
Students would take Oracle shuttles, eat Oracle food (in their own cafeteria) and use Oracle’s gym (when employees are not using it).
For now, the school known as D.tech occupies a former adult-education center in Burlingame owned by San Mateo County, its second home in two years.
Along with core subjects such as English, math and history, all students take a course each year in design thinking, a popular problem-solving strategy. Students learn at their own pace, some lectures are opt-in, and failure is celebrated as a learning experience.
“Failure is anathema to most schools today,” said Colleen Cassity, executive director of the Oracle Education Foundation. “If you could teach failure as a learning experience, you could change the game in education.”
Kent Montgomery, Design Tech High’s executive director, observes students working at the school’s current home at a former adult-education center in Burlingame.
Oracle says it won’t design the curriculum or run the school. But its employees will continue to participate in two-week “intersessions,” when students take a break from core classes to learn coding, basic electrical engineering and other skills.
“The school will operate autonomously,” Cassity said. “We think the curriculum is powerful.”
School’s growth plans
D.tech currently has 274 students, all freshmen and sophomores. Next fall, it will have 420 freshmen, sophomores and juniors at its present location. Prospective students have until Monday to apply for the 2016-17 school year. The school has already received 462 applications for about 150 openings.The following school year, 2017-18, D.tech is expected to have 550 students in all four grades and move to the Oracle campus, assuming the new school is finished on time.“Tech is one of our primary tools for teaching students,” said Ken Montgomery, D.tech’s executive director. “They all have Chromebooks, all materials are online. They also create technology.”
In the school’s “design realization garage,” on Thursday, one group of boys was building a trebuchet (a type of catapult), while another edited a video. A third group used a 3-D printer to make a replacement foosball for one that got lost. Nick Dal Porto was soldering a quadcopter piece that got broken.
Sophomore Cypress Sell was using a laser cutter to create what she called “a reasonably sized box” to store “witchcrafty items.” She likes D.tech because “you are doing something because you are interested in it, not because it’s an assignment.”
The only thing Sell doesn’t like is the long commute from the coastal town of Montara. “I’m sad I will only get to be at the (Oracle campus) for one year,” she added.
Oracle brass met the D.tech team at a design challenge the Oracle Education Foundation convened. It invited nine high schools to “help us rapidly prototype some elements of our new operating program,” Cassity said.
Cypress Sell (left), a student at the Design Tech High School, programs a laser cutter to make a box "of a reasonable size" with teaching assistant Jasmine Calderon (center) and student Ezra Graves in Burlingame, Calif. on Thursday, Feb. 25, 2016. The charter school has plans to relocate its school to the Oracle campus in the near future.
D.tech, she said, “stood head and shoulders above the rest. They speak the language of education and also the language of innovation and technology sectors. We understand them. They understand us.”
Many tech companies and executives are aiming to transform schools. Facebook CEO Mark Zuckerberg and his wife are starting a private school in East Palo Alto that will integrate education and health care for disadvantaged children. Laurene Powell Jobs, Steve Jobs’ widow, is giving $10 million to five or 10 teams that come up with the best ideas for a new high school.
IBM pioneered P-TECH, a six-year program that combines high school, community college and workplace skills. It’s now in 40 schools. Since 1999, the Bill and Melinda Gates Foundation has given $6.7 billion to education, including $4 billion to K-12 schools.
Facebook and IBM, however, haven’t built public schools at their corporate headquarters.
School lease plans
Oracle will own the land and building and lease it to the school “for zero or perhaps a buck,” Cassity said. Because it will retain ownership, Oracle will not get a tax deduction for the project, she added.
As a charter school, D.tech is open to any student in the state. But if demand exceeds supply, the school will hold a lottery, using a system that gives local students preference. Students from the San Mateo district will each get five virtual lottery tickets. Students from the neighboring Sequoia Union High School District, where Oracle is located, will get four each. Everyone else will get one.
The two high school districts agreed to pay D.tech about $8,400 for each student from their district who attends the charter school, even though the Sequoia district did not have to because it’s a basic-aid district that gets no state funding because its local property taxes are so high. The funding agreement between the San Mateo and Sequoia districts is a first, Montgomery said.
The new school needs approval from Redwood City and, because it’s near the shoreline, the San Francisco Bay Conservation and Development Commission. The city has posted the plan at www.redwoodcity.org/designtech and is taking public comments through March 10. Comments can be emailed to lchan@redwoodcity.org.
A student uses a calculator to solve a math problem at the Design Tech High School in Burlingame, Calif. on Thursday, Feb. 25, 2016. The charter school has plans to relocate its school to the Oracle campus in the near future.
Traffic concerns
At a meeting of the Redwood City Planning Commission on Feb. 16, the only concerns raised by residents were about increased traffic and ensuring that Redwood City students can attend. To mitigate traffic, students will not be allowed to park on campus. They can be dropped off or take an Oracle shuttle from the Millbrae BART and San Carlos Caltrain stations.
“People are happy that a school is getting built that doesn’t rely on taxpayer funding,” Montgomery said.
The school was Oracle CEO Safra Catz’s idea. Catz and Oracle Chairman Larry Ellison had been talking for years about the need for a school “that teaches students how to think,” Cassity said.
The school revolves around design thinking, also called human-centered design. “You begin by empathizing with your user, deeply understanding their problem,” Cassity said. The next steps are “ideation” or brainstorming a solution, building a rapid prototype, taking it back to the user for feedback and incorporating it into the next version.
“We have all kinds of agreements between high schools and career tech programs.” said Michael Kirst, president of the California State Board of Education. There are students learning auto repair at auto dealerships and future farmers working on farms.
But D.tech, he said, is different. “This is the total package.”
Kirst said the state will be monitoring the school to see how it works.
“Whether it can be scaled up depends on whether a lot of businesses want to do this,” Kirst said. “It’s one thing to run an experimental school on its grounds, another to extrapolate and say this should be done generally, or this is a big solution to solving schools.”
Sunday, 31 January 2016
Pass4sure 1Z0-050 Question Answer
Evaluate the following block of code: BEGIN DBMS_NETWORK_ACL_ADMIN.CREATE_ACL ( acl => 'mycompany-com-permissions.xml', principal => 'ACCT_MGR',is_grant => TRUE, privilege => 'connect'); DBMS_NETWORK_ACL_ADMIN.ASSIGN_ACL ( acl => 'mycompany-com-permissions.xml', host => '*.mycompany.com'); END; What is the outcome of the above code?
A. It produces an error because a fully qualified host name needs to be specified.
B. It produces an error because the range of ports associated with the hosts has not been specified.
C. It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT and RESOLVE privileges.
D. It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT privilege but not the RESOLVE privilege.
Answer: C
Which steps are mandatory to enable Direct NFS?
Mount all required file systems using the kernel NFS driver.
Create an oranfstab file containing the attributes for each NFS server to be accessed using Direct NFS.
Replace the ODM library libodm11.so_stub with libodm11.so.
A. 2 and 3
B. 1 and 3
C. 1 and 2
D. 1, 2 and 3
Answer: B
A. It produces an error because a fully qualified host name needs to be specified.
B. It produces an error because the range of ports associated with the hosts has not been specified.
C. It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT and RESOLVE privileges.
D. It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT privilege but not the RESOLVE privilege.
Answer: C
Which steps are mandatory to enable Direct NFS?
Mount all required file systems using the kernel NFS driver.
Create an oranfstab file containing the attributes for each NFS server to be accessed using Direct NFS.
Replace the ODM library libodm11.so_stub with libodm11.so.
A. 2 and 3
B. 1 and 3
C. 1 and 2
D. 1, 2 and 3
Answer: B
Tuesday, 29 December 2015
Pass4sure 1Z0-050 Question Answer
Which statement describes the effect of table redefinition on the triggers attached to the table?
A. All triggers on the table remain valid.
B. All triggers on the table are invalidated and are automatically revalidated with the next DML execution on the table.
C. All triggers on the table are invalidated and must be manually recompiled before the next DML execution on the table.
D. Only triggers that are affected by the changes to the structure of the table are invalidated and automatically revalidated with the next DML execution on the table.
Answer: B
USER_DATA is a nonencrypted tablespace that contains a set of tables with data. You want to convert all existing data in the USER_DATA tablespace and the new data into the encrypted format. Which methods would you use to achieve this? (Choose all that apply.)
A. Use Data Pump to transfer the existing data to a new encrypted tablespace.
B. Use ALTER TABLE MOVE to transfer the existing data to a new encrypted tablespace.
C. Use CREATE TABLE AS SELECT to transfer the existing data to a new encrypted tablespace.
D. Enable row movement for each table to be encrypted and then use ALTER TABLESPACE to encrypt the tablespace.
E. Encrypt the USER_DATA tablespace using the ALTER TABLESPACE statement so that all the data in the tablespace is automatically encrypted.
Answer: A, B, C
A. All triggers on the table remain valid.
B. All triggers on the table are invalidated and are automatically revalidated with the next DML execution on the table.
C. All triggers on the table are invalidated and must be manually recompiled before the next DML execution on the table.
D. Only triggers that are affected by the changes to the structure of the table are invalidated and automatically revalidated with the next DML execution on the table.
Answer: B
USER_DATA is a nonencrypted tablespace that contains a set of tables with data. You want to convert all existing data in the USER_DATA tablespace and the new data into the encrypted format. Which methods would you use to achieve this? (Choose all that apply.)
A. Use Data Pump to transfer the existing data to a new encrypted tablespace.
B. Use ALTER TABLE MOVE to transfer the existing data to a new encrypted tablespace.
C. Use CREATE TABLE AS SELECT to transfer the existing data to a new encrypted tablespace.
D. Enable row movement for each table to be encrypted and then use ALTER TABLESPACE to encrypt the tablespace.
E. Encrypt the USER_DATA tablespace using the ALTER TABLESPACE statement so that all the data in the tablespace is automatically encrypted.
Answer: A, B, C
Thursday, 24 December 2015
Is Oracle Certification Worth It?
Is Oracle certification worth it?
I’m not an Oracle.
I thought you knew a lot about Oracle and Java.
I meant, I’m not capable of seeing the future.
Well, you have more understanding of the job market than I do, so give me your best guess. It is better than some people’s facts.
Oracle courses are expensive.
Oracle courses whether taken online via downloads or in person or via virtual classes. My question is whether or not the classes are worth it.
Or, rather, whether the costs are worth it.
The costs are worth it if there is a return on investment. If I spend ten thousand on the classes, I better make more than 30K or more over the next few years to be worth it.
Oracle certification could make or break a claim that you know Oracle well if you lack the experience on your resume to otherwise demonstrate it.
So the Oracle certification is worth it if I’ve self-studied or took a few college classes but do not have the Oracle DBA job on my resume to get a higher paying position.
Oracle DBA can make 70K or 80K or more, depending on skill sets and where they work.
I’ve heard that certification in Oracle can earn you 100K or more.
The demand for Oracle administrators is still strong, but database automation to reduce the demand on admins and growth of alternatives like MySQL has lowered that figure.
Let’s agree that some certifications are not worth it.
True. Some people sign up for $100,000 college degrees in ethnic studies and comparative folk dancing to get jobs flipping burgers they could have gotten by dropping out of high school.
Oracle certifications cost 10K or more for the whole suite. Question is – are they worth it?
The pay gap between those with certification and without certification in general Oracle databases has essentially disappeared.
Then it is not worth it.
If you already know Oracle, no, it is not, except that taking the classes and exams can prove you know the latest and greatest version. And then there are the other Oracle tools.
Like Java.
Actually, the more valuable certifications are in JD Edwards Enterprise financial tools and Peoplesoft. Few people have the opportunity to learn it at college like the Oracle and Java and Microsoft courses at junior colleges.
But companies will pay a lot to know that the people managing their payroll and inventory systems are trained to do it right.
The same premium is placed on those with certification in Oracle Fusion Financials, the accounts payable and receivable tool Oracle manages.
So whether it is Peoplesoft payroll or Oracle Fusion payment management to suppliers and with customers, you’ll make more for those Oracle certifications.
You’ll make 5K to 15K more with those certifications than just being an Oracle database administrator.
Only because those skills are less common and harder to acquire.
That’s called the law of supply and demand.
But if I just want to manage memory and run backups of a database, Oracle certifications are not much better.
Experience is worth more than the certification, but certification and studying for it means you know more than what you just learn on the job.
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Pass4sure 1Z0-050 Question Answer
Question NO: 1
Identify the two direct sources from where SQL plans can be loaded into the SQL plan baselines. (Choose two.)
A. Cursor cache
B. Stored outline
C. SQL Tuning Set
D. Automatic Workload Repository (AWR) snapshots
Answer: A, C
Question NO:2
Which two statements about workload capture and replay operations are true? (Choose two.)
A. The clients must be created manually on the test machines to perform more realistic testing.
B. Restart the database in RESTRICTED mode before beginning workload replay to enable a clean state for workload replay.
C. Restart the database in RESTRICTED mode before beginning workload capture to enable a clean state for capturing the workload.
D. The application state of the capture system must be identical to the application state of the replay system when the workload replay begins.
Answer: C, D
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