Sunday, 30 April 2017

Converting Unix Timestamp into SQL Server DateTime

It is well known that developing and integrating applications based on different technologies may end up being a huge challenge, especially when it comes to dealing with data stored in diverse data type formats as it is Timestamp in Unix and DateTime in SQL Server. This post intents to show you a method in SQL Server to convert Unix Timestamp into Datetime. Here it is:

@timestamp integer
RETURNS datetime
  DECLARE @return datetime
  SET @timestamp = @timestamp - 18000
  SELECT @return = DATEADD(second, @timestamp,{d '1970-01-01'});
  RETURN @return

The function takes as a parameter a Unix Timestamp value so that it is converted into Datetime, and it will then give you the equivalent value in SQL Server Datetime format.  I know it might not be the be-all and end-all, nevertheless, I am pretty sure it will be use for many people. I hope you make the most out of it. That’s all for now. Let me know any remarks you may have. Thanks for reading. Stay tuned.

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HELLO, I'M PERCY REYES! — a book lover, healthy lifestyle lover... I've been working as a senior SQL Server Database Administrator (DBA) for over 20 years; I'm a three-time awarded Microsoft Data Platform MVP. I'm currently doing a PhD in Computer Science (cryptography) at Loughborough University, England — working on cryptographic Boolean functions, algorithmic cryptanalysis, number theory, and other algebraic aspects of cryptography. READ MORE