記錄ORACLE語句的執行時間

記錄ORACLE語句的執行時間需要使用 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.

連線到:
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

已用時間: 00: 00: 00.12
SQL>

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