单项选择题
You executed the following SQL statement to shrink the EMPLOYEES table segment stored in the EXAMPLE tablespace: ALTER TABLE employees SHRINK SPACE CASCADE; Which statement is correct in this scenario?()
A.The data in the segment will be compacted but the high water mark will not be adjusted
B.The EMPLOYEES table will be changed to read-only mode during the shrink operation
C.The indexes created on the EMPLOYEES table will need to be rebuilt after the shrink operation is over
D.The shrink behavior will be cascaded to all dependent segments of the table that support a shrink operation
E.Data manipulation language (DML) operations will not be possible on the EMPLOYEES table during the COMPACTION phase of the shrink operation
相关考题
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单项选择题
Anonlinetablespace,TEST_TBS,isfullandyourealizethatnoserver-managedtablespacethresholdalertsweregeneratedfortheTEST_TBStablespace.Whatcouldbethereason,iftheTEST_TBStablespacedoesnotincludeautoextensibledatafiles?()
A.TEST_TBS is a small file tablespace
B.TEST_TBS is a bigfile tablespace (BFT)
C.TEST_TBS is the default temporary tablespace
D.TEST_TBS is a dictionary-managed tablespace
E.Threshold values for the TEST_TBS tablespace are not explicitly specified -
单项选择题
Youexplicitlyspecifiedthetablespaceusagethresholdvalueswhilecreatingatablespace.Youneedtoreverttothedatabase-widedefaulttablespaceusagethresholdvaluesforthe tablespace.WhichPL/SQLpackagewouldyouuse?()
A.DBMS_STATS
B.DBMS_ALERT
C.DBMS_SPACE
D.DBMS_MONITOR
E.DBMS_SERVER_ALERT
F.DBMS_SPACE_ADMIN -
多项选择题
Youneedtoensurethatthedatabaseusersshouldbeabletousethevariousflashbackqueryfeaturesinordertogobackintimebyfourhours.Whatwouldyoudotoachievethis?()
A.set SQL_TRACE=True
B.set UNDO_RETENTION=14400
C.set FAST_START_MTTR_TARGET=240
D.set LOG_CHECKPOINT_INTERVAL=240
E.set DB_FLASHBACK_RETENTION_TARGET=14400
F.set the RETENTION GUARANTEE clause for the undo tablespace
