How do i add time "23:00:00" to a date data type? I have mentioned the code below.

Question

DECLARE @FIRSTDATE date = '2014-07-06'.
I need to add time to this without initializing it on the first place. SO basically it should look like  '2014-07-06 23:00:00'. As far as i know it can be done using something like dateadd(). 

Answer 1

DECLARE @FIRSTDATE date = '2014-07-06'.
I need to add time to this without initializing it on the first place. SO basically it should look like  '2014-07-06 23:00:00'. As far as i know it can be done using something like dateadd(). 
Assume you want to add minutes also: concatenate string date & time first, then convert to datetime.
DECLARE @FIRSTDATE char(10) = '2014-07-06', @FIRSTTIME char(8) = '23:40:20';
-- Combined date & time
SELECT [DateTime]=CONVERT(datetime, CONCAT(@FIRSTDATE, SPACE(1), @FIRSTTIME), 120);
GO
-- 2014-07-06 23:40:20.000
Datetime/string conversion:
http://www.sqlusa.com/bestpractices/datetimeconversion/
Kalman Toth Database & OLAP Architect
SQL Server 2014 Design & Programming
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