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> 0select count(*) from tab.
COUNT(*)
----------
2447
已用时间: 00: 00: 00.12
SQL> |