很多情況下我們需要獲取或記錄Oracle語句執(zhí)行時(shí)間，其實(shí)簡(jiǎn)單的方法就能實(shí)現(xiàn)，具體代碼如下:

OracleE語句的執(zhí)行時(shí)間需要使用 SET TIMING ON，例如：

[oracle@jw ~]$ sqlplus '/as sysdba'

SQL*Plus: Release 9.2.0.4.0 - Production on

星期二 8月 28 16:59:43 2007

Copyright (c) 1982, 2002, Oracle

Corporation. All rights reserved.

連接到:

Oracle9i Enterprise Edition

Release 9.2.0.4.0 - Production

With the Partitioning, Oracle Label Security,

OLAP and Oracle Data Mining options

JServer Release 9.2.0.4.0 - Production

SQL> set timing on;

SQL> select count(*) from tab;

COUNT(*)

----------

2447

已用時(shí)間: 00: 00: 00.12

SQL>