输入banner图图片脚本导航/分类

oracle explain

EXPLAIN PLAN FOR SELECT * FROM TB_USER; select * from table(dbms_xplan.display); Plan hash value: 1576953371 ----------------------------------------------------------------------------- | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | ----------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | 389K| 103M| 4075 (1)| 00:00:49 | | 1 | TABLE ACCESS FULL| TB_USER | 389K| 103M| 4075 (1)| 00:00:49 | -----------------------------------------------------------------------------

oracle explain

标签:play   ati   val   value   explain   oracle   bytes   ora   state