标签:images system jpg bec new RoCE ges size param
24、 YOUR DB_RECOVERY_FILE_DEST_SIZE Is 8G.Currently, 5G of the space Is used of which 4G consists of obsolete backups.
You execute this command:
SQL> ALTER SYSTEM SET db_recovery_file_dest_size=2G;
What is the outcome?
A) It changes DB_RECOVERY_FILE_DEST_SIZE to 5G.
B) It changes DB_RECOVERY_FILE_DEST_SIZE to 2G without deleting valid backups.
C) It falls because DB_RECOVERY_FILE_DEST_SIZE is a static parameter.
D) It changes DB_RECOVERY_FILE_DEST_SIZE to 2G and deletes the obsolete backups.
E) It fails because the new size is less than 5G.
Answer:D
标签:images system jpg bec new RoCE ges size param
原文地址:http://blog.51cto.com/13854012/2151079