BACKUP VALIDATE DATABAE
RECOVER CORRUPTION LIST;
Which two tasks are performed by these commands?(Choose two.)
A. Repair the corrupted blocks.If any, In the backup created.
B. Populate VSCOPV_CORRUPTION with names of files that have corrupted blocks-
C. Back up the database after checking whether array of the files have corrupted blocks.
D. Discover any corrupt blocks that are viewable with the V$DATABASE_BLOCK_CORBUPTION view.
E. Repair all corrupted blocks that have been logged in the V$DATABASE_BLOCK_CORRUPTION
答案:(D、E)
解析:
(backup validate check logical database;这个命令不会真正的产生数据库的备份,只是检查数据库的数据块,并把它记录到V$DATABASE_BIOCK_CORBUPTION当中;
RECOVER CORRUPTION LIST;就是修复记录在V$DATABASE_BIOCK_CORBUPTION视图中的数据块