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SQL Trivia – How to convert milliseconds to [hh:mm:ss.ms] format

August 1, 2017 Leave a comment

 
Today for some reporting purpose I need to convert milliseconds to hh:mm:ss.ms format, i.e.

Hours : Minutes : Seconds . Micro-Seconds
 

So, I tried to create query below, of course by taking help from internet, so that I can have a sample code handy for future reference:

DECLARE @MilliSeconds INT
SET @MilliSeconds = 25289706

SELECT CONCAT(
		RIGHT('0' + CAST(@MilliSeconds/(1000*60*60) AS VARCHAR(2)),2), ':',						-- Hrs
		RIGHT('0' + CAST((@MilliSeconds%(1000*60*60))/(1000*60) AS VARCHAR(2)),2), ':',			-- Mins
		RIGHT('0' + CAST(((@MilliSeconds%(1000*60*60))%(1000*60))/1000 AS VARCHAR(2)),2), '.',	-- Secs
		((@MilliSeconds%(1000*60*60))%(1000*60))%1000											-- Milli Secs
) AS [hh:mm:ss.ms]

-- 7 Hrs, 1 minute, 29 seconds and 706 milliseconds


Categories: SQL Trivia Tags: ,