单选题Which of the following operations does not require Oracle to store information in an UNDO segments as part of the transaction?()AINSERT BSELECT CUPDATE DDELETE

单选题
Which of the following operations does not require Oracle to store information in an UNDO segments as part of the transaction?()
A

INSERT 

B

SELECT 

C

UPDATE 

D

DELETE


参考解析

解析: 暂无解析

相关考题:

( 38 ) SQL 的 DML 包括的语句有A ) ROLLBACK , COMMITB ) CREATE , DROP , ALTERC ) GRANT , REVOKED ) SELECT , INSERT , DELETE , UPDATE

SQL语言的数据操纵语句包括SELECT、INSERT、UPDATE、DELETE等。其中最重要的,也是使用最频繁的语句是( ) 。A. SELECT B. INSERTC. UPDATE D. DELETE

功能最强也是最复杂的SQL语句是()。A、Insert语句B、Select语句C、Update语句D、Delete语句

A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the ALTER TABLEcommand with the ENABLE VALIDATE option to enable the constraint that was disabled.  What are the twoeffects of this command()A、It fails if any existing row violates the constraint.B、It does not validate the existing data in the table.C、It enables the constraint to be enforced at the end of each transaction.D、It prevents insert, update, and delete operations on the table while the constraint is in the process of beingenabled

SQL的DML包括的语句有()。A、ROLLBACK,COMMITB、CREATE,DROP,ALTERC、GRANT,REVOKED、SELECT,INSERT,DELETE,UPDATE

Which of the following is the correct procedure to update the BIOS on LS42 blades without using the AMM?()A、Insert the Update eXpress Service Pack Installer (UXSPI) CD, boot the LS42 blade and follow the prompts B、Boot the blade to the Bootable Media Creator (BoMC) CD and follow the prompts C、Press F1 when the LS42 system is booting, select Update BIOS, insert the diskette into the diskette drive, and select OK D、Use the Remote Supervisor Adapter virtual disk

You executed the following query:  SELECT operation, undo_sql, table_name FROM flashback_transaction_query; Which statement is correct regarding the query output?()A、 It would return information regarding only the last committed transaction.B、 It would return only the active transactions in all the undo segments in the database.C、 It would return only the committed transactions in all the undo segments in the database.D、 It would return both active and committed transactions in all the undo segments in the database.E、 It would return information regarding the transactions that began and were committed in the last 30 minutes.

Which two operations require undo data?()A、committing a transactionB、rolling back a transactionC、recovering from failed transactionsD、recording a transaction to redo log filesE、rolling forward during instance recovery

Which object privileges can be granted on a view? ()A、noneB、DELETE, INSERT,SELECTC、ALTER, DELETE, INSERT, SELECTD、DELETE, INSERT, SELECT, UPDATE

You need to give the MANAGER role the ability to select from, insert into, and modify existing rows in the STUDENT_GRADES table. Anyone given this MANAGER role should be able to pass those privileges on to others. Which statement accomplishes this? ()A、GRANT select, insert, update ON student_grades TO managerB、GRANT select, insert, update ON student_grades TO ROLE managerC、GRANT select, insert, modify ON student_grades TO manager WITH GRANT OPTION;D、GRANT select, insert, update ON student_grades TO manager WITH GRANT OPTION;E、GRANT select, insert, update ON student_grades TO ROLE manager WITH GRANT OPTION;F、GRANT select, insert, modify ON student_grades TO ROLE manager WITH GRANT OPTION;

Which two statements are true regarding transactions in an Oracle database()A、Multiple transactions can use the same undo segment.B、A transaction is assigned an undo segment when it is started.C、More than one transaction cannot share the same extent in the undo tablespace.D、The transactions use system undo segment to store undo data if all the segments in the undo tablespaceare used.

Which of the following Oracle features utilize the undo tablespace?() A、 Flashback QueryB、 Flashback DropC、 Flashback TableD、 Flashback DatabaseE、 Transaction ProcessingF、 Recycle Bin

You require the Oracle server to manage the undo segments and space among various active sessions automatically. You created an undo tablespace, UNDO_TBS1, in your database. Which two additional steps would you perform to achieve this?()A、Set the UNDO_RETENTION parameter to 900 or more.B、Create an initial undo segment in the undo tablespace.C、Enable the retention guarantee for the undo tablespace.D、Set the UNDO_TABLESPACE parameter to UNDO_TBS1.E、Set the UNDO_MANAGEMENT initialization parameter to AUTO.

Which of the following operations does not require Oracle to store information in an UNDO segments as part of the transaction?()A、INSERT B、SELECT C、UPDATE D、DELETE

User SCOTT executes the following command on the EMP table but has not issued COMMIT, ROLLBACK,or any data definition language (DDL) command:  SQL SELECT job FROM emp  2  WHERE job=’CLERK’ FOR UPDATE OF empno;  SCOTT has opened another session to work with the database. Which three operations would wait when issued in SCOTT’s second session?()A、LOCK TABLE emp IN SHARE MODE;B、LOCK TABLE emp IN EXCLUSIVE MODE;C、DELETE FROM emp WHERE job=’MANAGER’;D、INSERT INTO emp(empno,ename) VALUES (1289,’Dick’);E、SELECT job FROM emp WHERE job=’CLERK’ FOR UPDATE OF empno;

You need to give the MANAGER role the ability to select from, insert into, and modify existing rows in the STUDENT_GRADES table. Anyone given this MANAGER role should be able to pass those privileges on to others. Which statement accomplishes this?()A、GRANT select, insert, update ON student_grades TO manager;B、GRANT select, insert, update ON student_grades TO ROLE manager;C、GRANT select, insert, modify ON student_grades TO manager WITH GRANT OPTION;D、GRANT select, insert, update ON student_grades TO manager WITH GRANT OPTION;E、GRANT select, insert, update ON student_grades TO ROLE manager WITH GRANT OPTION;F、GRANT select, insert, modify ON student_grades TO ROLE manager WITH GRANT OPTION;

单选题During the implement phase, systems acceptance testing does which of the following for the customer? Select exactly 1 answer(s) from the following:()。Ainstallation, configuration, and testing, as well as the commissioning of tools and processes in accordance with the operations implementation planBprovision of information regarding customer-specified design requirements and configurationCthe migration of network services from an existing state to a future state in accordance with the migration planDthe provision of an objective means of measuring system operability and functionality

单选题Which object privileges can be granted on a view? ()AnoneBDELETE, INSERT,SELECTCALTER, DELETE, INSERT, SELECTDDELETE, INSERT, SELECT, UPDATE

多选题A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the ALTER TABLEcommand with the ENABLE VALIDATE option to enable the constraint that was disabled.  What are the twoeffects of this command()AIt fails if any existing row violates the constraint.BIt does not validate the existing data in the table.CIt enables the constraint to be enforced at the end of each transaction.DIt prevents insert, update, and delete operations on the table while the constraint is in the process of beingenabled

多选题Which two statements regarding the FLASHBACK_TRANSACTION_QUERY view are correct?()AYou can find information about only active transactions from the viewBYou can find information about read only transactions from the viewCYou require the SELECT ANY TRANSACTION system privilege to access the viewDYou can find information about both active and committed transactions from the viewEYou require the SELECT ON FLASHBACK_TRANSACTION_QUERY object privilege to access the view

多选题Which two statements are true regarding transactions in an Oracle database()AMultiple transactions can use the same undo segment.BA transaction is assigned an undo segment when it is started.CMore than one transaction cannot share the same extent in the undo tablespace.DThe transactions use system undo segment to store undo data if all the segments in the undo tablespaceare used.

多选题A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the ALTER TABLE command with the ENABLE VALIDATE option to enable the constraint that was disabled. What are the two effects of this command?()AIt fails if any existing row violates the constraint.BIt does not validate the existing data in the table.CIt enables the constraint to be enforced at the end of each transaction.DIt prevents insert, update, and delete operations on the table while the constraint is in the process of being enabled.

单选题You executed the following query: SELECT operation, undo_sql, table_name FROM flashback_transaction_query;  Which statement is correct regarding the query output?()AIt would return information regarding only the last committed transaction.BIt would return only the active transactions in all the undo segments in the database.CIt would return only the committed transactions in all the undo segments in the database.DIt would return both active and committed transactions in all the undo segments in the database.EIt would return information regarding the transactions that began and were committed in the last 30 minutes.

多选题You require the Oracle server to manage the undo segments and space among various active sessions automatically. You created an undo tablespace, UNDO_TBS1, in your database. Which two additional steps would you perform to achieve this?()ASet the UNDO_RETENTION parameter to 900 or more.BCreate an initial undo segment in the undo tablespace.CEnable the retention guarantee for the undo tablespace.DSet the UNDO_TABLESPACE parameter to UNDO_TBS1.ESet the UNDO_MANAGEMENT initialization parameter to AUTO.

多选题Which two operations require undo data?()Acommitting a transactionBrolling back a transactionCrecovering from failed transactionsDrecording a transaction to redo log filesErolling forward during instance recovery

单选题You need to give the MANAGER role the ability to select from, insert into, and modify existing rows in the STUDENT_GRADES table. Anyone given this MANAGER role should be able to pass those privileges on to others. Which statement accomplishes this? ()AGRANT select, insert, update ON student_grades TO managerBGRANT select, insert, update ON student_grades TO ROLE managerCGRANT select, insert, modify ON student_grades TO manager WITH GRANT OPTION;DGRANT select, insert, update ON student_grades TO manager WITH GRANT OPTION;EGRANT select, insert, update ON student_grades TO ROLE manager WITH GRANT OPTION;FGRANT select, insert, modify ON student_grades TO ROLE manager WITH GRANT OPTION;

单选题You executed the following query:  SELECT operation, undo_sql, table_name FROM flashback_transaction_query; Which statement is correct regarding the query output?()A It would return information regarding only the last committed transaction.B It would return only the active transactions in all the undo segments in the database.C It would return only the committed transactions in all the undo segments in the database.D It would return both active and committed transactions in all the undo segments in the database.E It would return information regarding the transactions that began and were committed in the last 30 minutes.