多项选择题
An RMAN backup job fails， displaying the following error：
ORA-19809： limit exceeded for recovery files
Your analysis shows that the Flash Recovery area is full.
Which two actions could you take to resolve the error and avoid this error in the future？ （）
A. take the backup of the flash recovery area less frequently
B. increase the value of the UNDO_RETENTION initialization parameter
C. change the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTO
D. change the backup retention policy to retain the backups for a smaller period of time
E. increase the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameter
F. increase the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter
相关考题
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单项选择题
You are using an Automatic Storage Management （ASM） instance to manage the files of your production database. You have two disk groups， DG1and DG2with one device each. In the parameter file of the production database， the following parameters have been specified： DB_CREATE_ONLINE_LOG_DEST_1 = ’+dg1’ DB_CREATE_ONLINE_LOG_DEST_2 = ’+dg2’ What would be the impact of this setting？（）
A. When a new log group is added， it would have one member in each disk group.
B. When a new log group is added， it would have two members in each disk group.
C. When a new tablespace is added， it would have one data file in each disk group.
D. When a new log file is added， it would have one member spread across the disk groups. -
单项选择题
YoulostthePRODSTDtablespace，whichwasread/write.Thetablespacewasread-onlywhenthelastbackupwasperformed.Howwouldyourecoverthetablespace？（）
A. restore the tablespace from the backup； there is no need to apply the redo information
B. restore the full database to recover the data up to the point when you performed the backup
C. restore the tablespace from the backup and then perform a recovery using the backup control file
D. restore the tablespace from the backup and then recover the tablespace； all the redo information from the point when the tablespace was made read/write is applied -
单项选择题
Thecurrenttimeis12：00noon.YouwanttorecovertheUSERStablespacefromafailurethatoccurredat11：50a.m.Youdiscoverthattheonlymemberofanunarchivedredologgroupcontaininginformationfrom11：40a.m.onwardsiscorrupt.Withreferencetothisscenario，ifyouarenotusingRecoveryManager（RMAN），whichrecoverymethodwouldyouuse？（）
A. time-based recovery
B. log sequence recovery
C. cancel-based recovery
D. change-based recovery
