索引错误 ORA-01502: index ‘index_name' or partition of such index is in unusable state
错误原因:这个错误一般是因为索引状态为UNUSABLE引起的。你可以通过下面SQL,查看索引的状态SELECTOWNER,INDEX_NAME,STATUSFROMDBA_INDEXESWHEREINDEX_NAME='INDEX_NAME'SELECTOWNER,INDEX_NAME,STATUSFROMALL_INDEXESWHEREINDEX_NAME='INDEX_NAME'SELECTI