db

SQL> show parameter db_recover; NAME                                 TYPE ------------------------------------ ---------------------- VALUE ------------------------------ db_recovery_file_dest                string /opt/oracle/flash_recovery_are a db_recovery_file_dest_size           big integer 20G 修改db_recovery_file_dest_size大小为500G alter system set db_recovery_file_dest_size=500G scope=spfile(需要重启DB生效)