Time Delay to Execute a T-SQL Query

A New feature in SQL Server is Time delay to execute a T-SQL Query
SQL Server will wait for perticular time to excute the query.

Ex :
i) SELECT GETDATE() CurrentTime
WAITFOR DELAY '00:00:20' ---- 5 Second Delay
SELECT GETDATE() CurrentTime

Ex:
ii)
DECLARE @delaytime DATETIME
SET @delaytime = DATEADD(s,20,GETDATE())
SELECT GETDATE() CurrentTime
WAITFOR TIME @delaytime
SELECT GETDATE() CurrentTime

--