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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单项选择题
Theproductiondatabasehasbeenfunctionalforthelastsevendays.Becauseofapplicationrequirements，someoftheinitializationparameterswerechangedduringruntimewithoutanycomments.Youhavebeenaskedtofindoutthevalueoftheparameterswhentheinstancewasstarted.Whichsourcewouldyouusetolocatethisinformation？（）
A.fixed views
B.the alert log file
C.the parameter file
D.the server parameter file
E.dynamic performance views -
单项选择题
The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following command in Recovery Manager （RMAN） against your database： RMAN> REPORT OBSOLETE What would you see in the output？（）
A.a list of all the expired backups and copies
B.a list of all those files that have been deleted in the last two days
C.a list of all those files that have been recovered within the last two days
D.a list of backups and copies that are outside the range covered by the current retention policy -
多项选择题
UsingtheLISTcommandinRecoveryManager（RMAN），whichtwopiecesofinformationfromtheRMANrepositorycanbelisted？（）
A.backups that can be deleted
B.stored scripts in the recovery catalog
C.backup sets and image copies that are obsolete
D.only the most recent backup sets or image copies
E.backups that do not have the AVAILABLE status in RMAN repository
