17:46:15 HR@ datacenter>set autotrace only Usage: SET AUTOT[RACE] {OFF | ON | TRACE[ONLY]} [EXP[LAIN]] [STAT[ISTICS]] 17:47:36 HR@ datacenter>set autot trace 17:47:50 HR@ datacenter>select * from employees; 107 rows selected. Execution Plan ---------------------------------------------------------- Plan hash value: 1445457117 ------------------------------------------------------------------------------- | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | ------------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | 107 | 7383 | 3 (0)| 00:00:01 | | 1 | TABLE ACCESS FULL| EMPLOYEES | 107 | 7383 | 3 (0)| 00:00:01 | ------------------------------------------------------------------------------- Statistics ---------------------------------------------------------- 0 recursive calls 0 db block gets 14 consistent gets 0 physical reads 0 redo size 10427 bytes sent via SQL*Net to client 601 bytes received via SQL*Net from client 9 SQL*Net roundtrips to/from client 0 sorts (memory) 0 sorts (disk) 107 rows processed
原文地址:http://www.cnblogs.com/arcer/p/3817045.html