多项选择题

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 VSDATABASE_BI-OCK_CORBUPTION view
E. Repair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION