Артем1
Дата: 15.10.2003 13:42:57
WAITFOR
Specifies a time, time interval, or event that triggers the execution of a statement block, stored procedure, or transaction.
Syntax
WAITFOR { DELAY 'time' | TIME 'time' }
Arguments
DELAY
Instructs Microsoft® SQL Server™ to wait until the specified amount of time has passed, up to a maximum of 24 hours.
'time'
Is the amount of time to wait. time can be specified in one of the acceptable formats for datetime data, or it can be specified as a local variable. Dates cannot be specified; therefore, the date portion of the datetime value is not allowed.
TIME
Instructs SQL Server to wait until the specified time.
А вообще-то BOL есть.