Oracle挂起会话一段时间

This procedure suspends the session for a specified period of time.

DBMS_LOCK.SLEEP (seconds IN NUMBER);

seconds
Amount of time, in seconds, to suspend the session.
The smallest increment can be entered in hundredths of a second;
for example, 1.95 is a legal time value.

Oracle挂起会话一段时间

原文：http://www.cnblogs.com/wwxbi/p/4288969.html