多項選擇題

You have the following online redo log configuration：
Group Member
1 ’/disk1/oradata/redo01a.log’
2 ’/disk2/oradata/redo02a.log’
3 ’/disk3/oradata/redo03a.log’
You decide to multiplex the online redo log groups for recovery of redo log files in case of any disaster. Which two statements will you NOT issue to multiplex the online redo log files？（）

A. ALTER DATABASE ADD LOGFILE MEMBER ’/disk1/oradata/redo01b.log’ TO GROUP 1；
B. ALTER DATABASE ADD LOGFILE MEMBER ’/disk2/oradata/redo01b.log’ TO GROUP 1；
C. ALTER DATABASE ADD LOGFILE MEMBER ’/disk1/oradata/redo02b.log’ TO GROUP 2；
D. ALTER DATABASE ADD LOGFILE MEMBER ’/disk2/oradata/redo02b.log’ TO GROUP 2；
E. ALTER DATABASE ADD LOGFILE MEMBER ’/disk1/oradata/redo3b.log’ TO GROUP 3；
F. ALTER DATABASE ADD LOGFILE MEMBER ’/disk2/oradata/redo3b.log’ TO GROUP3；

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單項選擇題

You are maintaining your OLTP database in Oracle10g. You have not set the warning level and critical level threshold values for space usage of the DATA1 tablespace. What will be the impact？（）

A. No warning level or critical level alert will be generated.
B. A warning level alert will never be generated， but a critical level alert will be generated when 97 percent space of the DATA1 tablespace is used.
C. A critical level alert will never be generated， but a warning level alert will be generated when 85 percent space of the DATA1 tablespace is used.
D. A warning level alert will be generated at 85 percent space usage of the DATA1 tablespace， and a critical level alert is generated at 97 percent space usage of the DATA1 tablespace.

單項選擇題

You issued the following statement to monitor the usage of the index：
SQL> ALTER INDEX SCOTT.EMP_IDX MONITORING USAGE；
Which view will you query to ensure that the index is being monitored？（）

A. INDEX_STATS
B. DBA_INDEXES
C. DBA_IND_COLUMNS
D. V$OBJECT_USAGE

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你可能感興趣的試題

You are maintaining your OLTP database in Oracle10g. You have not set the warning level and critical level threshold values for space usage of the DATA1 tablespace. What will be the impact？（）

You issued the following statement to monitor the usage of the index： SQL> ALTER INDEX SCOTT.EMP_IDX MONITORING USAGE； Which view will you query to ensure that the index is being monitored？（）

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You issued the following statement to monitor the usage of the index：
SQL> ALTER INDEX SCOTT.EMP_IDX MONITORING USAGE；
Which view will you query to ensure that the index is being monitored？（）