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下面关于Hibernate中Transaction的使用说法正确的是（）
- A、Transaction是可有可无的
- B、Transaction在做查询的时候是可有可无的
- C、Transaction在做修改的时候是可有可无的
- D、Transaction在做修改的时候是必须的
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更多 “下面关于Hibernate中Transaction的使用说法正确的是（）A、Transaction是可有可无的B、Transaction在做查询的时候是可有可无的C、Transaction在做修改的时候是可有可无的D、Transaction在做修改的时候是必须的” 相关考题
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Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?()
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下面关于Hibernate中Transaction的使用说法正确的是（）。A、Transaction是可有可无的B、Transaction在做查询的时候是可选的C、Transaction在做删除的时候是可选的D、Transaction在做修改的时候是可选的
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You work as a database administrator for Certkiller .com. In the middle of a transaction， a user session was abnormally terminated but the instance is still up and the database is open. Which two statements are true in this scenario？（）A、Event Viewer gives more details on the failure.B、The alert log file gives detailed information about the failure.C、PMON rolls back the transaction and releases the locks.D、SMON rolls back the transaction and releases the locks.E、The transaction is rolled back by the next session that refers to any of the blocks updates by the failed transaction.F、Data modified by the transaction up to the last commit before the abnormal termination is retained in the database.
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多选题The session of user SCOTT receives the following error after executing an UPDATE command onthe EMP table： ERROR at line 1： ORA-00060： deadlock detected while waiting for resource On investigation， you find that a session opened by user JIM has a transaction that caused the deadlock. two statements are true regarding the session of SCOTT in this scenario（）AThe session is terminated after receiving the error and JIM can continue with his transaction.BSCOTT should perform a COMMIT or ROLLBACK to allow JIM to continue with his transaction.CThe session is rolled back after receiving the error and JIM can continue with his transaction.DSCOTT has to reexecute the last command in the transaction after he commits the transaction.
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单选题By using the transaction identifier provided by（）for a particular row change， you can use the Flashback Transaction Query to see the operation performed by the transaction.A
Flashback TableB
Flashback DatabaseC
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The DBA_PENDING_TRANSACTIONS view
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多选题下面关于Hibernate中Transaction的使用说法正确的是（）ATransaction是可有可无的BTransaction在做查询的时候是可有可无的CTransaction在做修改的时候是可有可无的DTransaction在做修改的时候是必须的
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单选题By using the transaction identifier provided by （） for a particular row change， you can use theFlashback Transaction Query to see the operation performed by the transaction.A
Flashback TableB
Flashback DatabaseC
Flashback Versions QueryD
the RMAN REPORT commandE
the DBA_PENDING_TRANSACTIONS view
考题
单选题Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions？（）A
point-in-time recoveryB
execute the ROLLBACK command with transaction numberC
flashback the database to before the transaction was committedD
determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery
考题
单选题Which of the following describes how a distributed resumable transaction behaves？（）A
The resumable setting on the initiating session determines the resumable conditions for the entire distributed transaction.B
The resumable setting for the initiating instance determines the resumable conditions for the entire distributed transaction.C
The resumable setting on the initiating session controls only that part of the transaction that occurs within the local instance； remote resumable settings determine the behavior of the distributed parts of the transaction.D
None of the above.
考题
多选题You work as a database administrator for Certkiller .com. In the middle of a transaction， a user session was abnormally terminated but the instance is still up and the database is open. Which two statements are true in this scenario？（）AEvent Viewer gives more details on the failure.BThe alert log file gives detailed information about the failure.CPMON rolls back the transaction and releases the locks.DSMON rolls back the transaction and releases the locks.EThe transaction is rolled back by the next session that refers to any of the blocks updates by the failed transaction.FData modified by the transaction up to the last commit before the abnormal termination is retained in the database.
考题
多选题在Hibernate中，下列关于Transaction说法正确的有（）A事务Transaction为应用程序指定以原子操作单元为范围的对象B在对数据库进行增加、修改和删除操作时一定要加上TransactionC在对数据库进行查询操作时一定要加上TransactionD获得Transaction的方法：Transaction tr = session.beginTransaction（）；
考题
单选题下面关于Hibernate中Transaction的使用说法正确的是（）。A
Transaction是可有可无的B
Transaction在做查询的时候是可选的C
Transaction在做删除的时候是可选的D
Transaction在做修改的时候是可选的
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