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SQL> alter table dept move;
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SQL> select table_name,index_name,status from user_indexes;
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TABLE_NAME INDEX_NAME STATUS
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------------------------------ ------------------------------ --------
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EMP PK_EMP VALID
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DEPT PK_DEPT UNUSABLE
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-
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SQL> alter index pk_dept rebuild;
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-
Index altered.
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-
SQL> select table_name,index_name,status from user_indexes;
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-
TABLE_NAME INDEX_NAME STATUS
-
------------------------------ ------------------------------ --------
-
EMP PK_EMP VALID
-
DEPT PK_DEPT VALID
--查询已经失效的索引
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SQL> select table_name,index_name,status from dba_indexes where status='UNUSABLE';
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-
no rows selected
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