更多"A technician wants̳"的相关试题:
[多项选择] Examine the following command used to perform incremental level 0 backup: RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable the block change tracking, after the incremental level 0 backup you issued the following command: SQL> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE '/mydir/ rman_change_track.f'; To perform incremental level 1 cumulative backup, you issued the following command: RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which two statements are true in the above situation?（）
A. The block change tracking data will be used only from the next incremental 0 backup.
B. The incremental backup will use change tracking data for accomplishing the backup.
C. The incremental backup will not use change tracking data for accomplishing the backup.
D. The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.
[单项选择]All the following complaints are said to have increased among children aged 12 to 16 EXCEPT
A. painful headache.
B. indigestion,
C. loss of memory.
D. nervousness and concentration problems.
[单项选择]According to the passage, parents have become increasingly interested in
[单项选择]A new technique ______, the yields as a whole increase by 20 percent.
A. working out
B. having been worked out
C. having worked out
D. to have been worked out
[单项选择]________get older, the games they play become increasingly complex.
A. Children
B. Children, when they
C. As children
D. For children to
[单项选择]You are attempting to increase the checkpoint interval on your database. Each of the following choices will affect the duration and/or frequency of checkpoints, except one. Which is it?（）
A. Size of redo logs
B. Number of datafiles
C. LOG_CHECKPOINT_INTERVAL
D. LOG_CHECKPOINT_TIMEOUT
