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1、檢查無(wú)效的數(shù)據(jù)庫(kù)對(duì)象:
SELECT owner, object_name, object_type,status
FROM dba_objects
WHERE status = 'INVALID';
2、檢查不起作用的約束:
SELECT owner, constraint_name, table_name, constraint_type, status
FROM dba_constraints
WHERE status = 'DISABLED';
3、檢查無(wú)效的觸發(fā)器:
SELECT owner, trigger_name, table_name, status
FROM dba_triggers
WHERE status = 'DISABLED';
4、檢查失效的索引:
select index_name,table_name,tablespace_name,status
From dba_indexes
Where status<>'VALID';
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