`

Index XXX or partition of such index is in unusable state

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问题:
删除oracl数据库中某张表的某条记录时报错:
index   "SYS.IX_target"   or   partition   of   such   index   is   in   unusable   state
解决方案:
--查询UNUSABLE状态的index
select index_name, status, owner from
dba_indexes where STATUS = 'UNUSABLE';

--组装重新编译index的sql语句
select 'alter index '||owner||'.'||index_name||' rebuild;' from
dba_indexes where STATUS = 'UNUSABLE';

--执行组装好的语句
alter index SYS.IX_target rebuild;
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