很多情况下我们需要获取或记录Oracle语句执行时间,其实简单的方法就能实现,具体代码如下:
OracleE语句的执行时间需要使用 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. 连接到: 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
已用时间: 00: 00: 00.12
SQL>
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. 连接到: 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
已用时间: 00: 00: 00.12
SQL>