Oracle 视图 DBA_LOBS 官方解释,作用,如何使用详细说明
本站中文解释
:
Oracle DBA_LOBS视图提供有关正在此实例上运行的ORACLE数据库中的所有大型对象(LOBs)的信息。此视图有助于用户了解大型对象的一般设置和属性,并可用于查询和管理大型对象。
使用方法:
1.查看所有LOBs:
SELECT OWNER, TABLE_NAME, SEGMENT_NAME, LOB_NAME FROM DBA_LOBS;
2.查询某个LOB的属性:
SELECT OWNER, TABLE_NAME, SEGMENT_NAME, LOB_NAME, CHUNK_SIZE, INITIAL_EXTENT, PCT_INCREASE, IN_ROW FROM DBA_LOBS WHERE LOB_NAME = ‘YOUR_LOB_NAME’;
官方英文解释
DBA_LOBS
displays the BLOBs and CLOBs contained in all tables in the database. BFILEs are stored outside the database, so they are not described by this view. This view’s columns are the same as those in ALL_LOBS
.
See Also:
“ALL_LOBS”