使用场景
1、数据迁移
常见迁移方案
2、QPlus备库 - 恢复表
expdp DIRECTORY=DUMP DUMPFILE=20220620.dmp logfile=20220620.log TABLES=BAIPX.OBJ,BAIPX.GASH compression=all
3、数据库问题分析
create table gash as select * from gv$active_session_history;
create table ASH as select * from dba_hist_active_sess_history;
create table obj as select * from DBA_OBJECTS;
create table sqlstat as select * from DBA_HIST_SQLSTAT;
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