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单选题
Your database is running in NOARCHIVELOG mode with two online redo log files. The SALES table contains sales information for the organization. The SALES table belongs to the SALESTB tablespace.  On Monday, you insert 10 rows into the SALES table. The current log sequence number is 14. You change the tablespace status from READ WRITE to READ ONLY for the SALESTB tablespace. You shut down the database and take a backup of the SALESTB tablespace.   On Tuesday, you start the database. You change the status for the SALESTB tablespace from READ ONLY to READ WRITE. You insert 10 more rows into the SALES table and shut down the database. The current log sequence number is 15.   When you try to open the database on Wednesday morning, you discover that the SALESTB tablespace was lost because of a media failure. Which of the following options is true about recovering the SALES table?()
A

 The SALES table cannot be recovered because the database is running in NOARCHIVELOG mode.

B

 The SALES table can be recovered by restoring the SALESTB tablespace from the backup and performing a media recovery.

C

 The SALES table can be recovered by restoring the SALESTB tablespace from the backup without performing any media recovery.

D

 The SALES table can be recovered by restoring the SALESTB tablespace from the backup, but the rows inserted on Tuesday need to be inserted again.


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更多 “单选题Your database is running in NOARCHIVELOG mode with two online redo log files. The SALES table contains sales information for the organization. The SALES table belongs to the SALESTB tablespace.  On Monday, you insert 10 rows into the SALES table. The current log sequence number is 14. You change the tablespace status from READ WRITE to READ ONLY for the SALESTB tablespace. You shut down the database and take a backup of the SALESTB tablespace.   On Tuesday, you start the database. You change the status for the SALESTB tablespace from READ ONLY to READ WRITE. You insert 10 more rows into the SALES table and shut down the database. The current log sequence number is 15.   When you try to open the database on Wednesday morning, you discover that the SALESTB tablespace was lost because of a media failure. Which of the following options is true about recovering the SALES table?()A  The SALES table cannot be recovered because the database is running in NOARCHIVELOG mode.B  The SALES table can be recovered by restoring the SALESTB tablespace from the backup and performing a media recovery.C  The SALES table can be recovered by restoring the SALESTB tablespace from the backup without performing any media recovery.D  The SALES table can be recovered by restoring the SALESTB tablespace from the backup, but the rows inserted on Tuesday need to be inserted again.” 相关考题
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考题 单选题You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode and you want to perform a backup. Which type of backup would be appropriate in this case? ()A Hot backupB Online backupC consistent backupD incremental backupE inconsistent backup