插入数据时,报错
查看状态:如是unusable,说明存在问题
SELECT OWNER, INDEX_NAME,STATUS FROM DBA_INDEXES WHERE INDEX_NAME=’ INDEX_name’;
SELECT OWNER, INDEX_NAME,STATUS FROM ALL_INDEXES WHERE INDEX_NAME=’ INDEX_name’;
SELECT INDEX_NAME,STATUS FROM USER_INDEXES WHERE INDEX_NAME=’ INDEX_name’;
重建索引
ALTER INDEX INDEX_name REBUILD
再次查看状态为VALID