单项选择题
In your test database， you find that a user’s session is executing a lot of SQL statements， resulting in the generation of a large number of trace files. While investigating the reason， you find that SQL trace has been enabled at the instance level. You want to disable SQL trace， remotely， only for that user session to reduce the volume of trace data being generated.How do you achieve this objective？（）
A. by setting the SQL_TRACE parameter to FALSE in the parameter file
B. by using DBMS_MONITOR.SESSION_TRACE_DISABLE to disable the tracing for the user session
C. by setting the SQL_TRACE parameter to FALSE by using the ALTER SYSTEM command in the user session
D. by setting the SQL_TRACE parameter to FALSE by using the ALTER SESSION command in the user session
相关考题
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多项选择题
You are working on an Oracle Database 10g database. Because of data loss， you decided to perform a Flashback Database operation using the following command： SQL> FLASHBACK DATABASE TO TIMESTAMP（SYSDATE ？5/24）； Which two statements are true？ （）
A. SYSDATE should not be used with TIMESTAMP.
B. The database must have multiplexed redo log files.
C. The database must be in the MOUNT state to execute the command.
D. The database must be opened with the RESETLOGS option after the flashback operation.
E. The entire database needs to be restored from the most recent backup before the flashback operation. -
单项选择题
Aredologfileiscorruptedwhilethedatabaseisopen；asaconsequence，databaseoperationsarestoppedbecausearchivingcannotcontinue.Whatwouldyoudotosolvetheproblem？（）
A. clear the redo log group
B. perform redo log file import
C. perform an incomplete recovery
D. perform a redo log recovery using Recovery Manager （RMAN）
E. shut down the database and open the database in the NOARCHIVELOG mode -
单项选择题
OnTuesday，ajuniorDBAdroppedanimportantapplicationuseraccount，whoseschemahasimportanttables.Youareaskedtorecoveralltheobjectsintheschema.Oninvestigation，youfindthattheuseraccountwasdroppedat11：00a.m.andSunday’sbackupisthemostrecentbackup.Whichflashbackfeaturewouldyouuse？（）
A. Flashback Drop
B. Flashback Table
C. Flashback Database
D. Flashback Version Query
E. Flashback Transaction Query
