[Dataguard]主库归档丢失，备库不需重建实验

1）模拟环境，修改主库参数，延迟归档传输到备库 SQL> alter system set log_archive_dest_state_2=defer; System altered. 2）在主库进行一些DML操做 SQL> create table neal as select * from dba_objects; Table created. SQL> delete from nea

>>阅读原文<<