同事反映impdp时在SCHEMA_REPORT/TYPE/TYPE_SPEC步骤卡住,1个多小时后也没有响应, 查下v$session: select program,sid, event,blocking_session from gv$session where program like '%DW%'; 结果为: DW01,98,library cache lock,213 DW03,13,library cache lock,213 DW02,36,library cache lock…