Sudheer Palyam


SQLServerCentral Article

An Introduction to Test Driven Development

There are lots of systems for developing software, but it often seems that DBAs don't adhere to any of them. New author Sudheer Palyam brings us a look at one that he has used in developing T-SQL applications, whereby the test scripts are written first.

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2006-02-09

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Replacing a NULL II

What is returned from this code in SQL Server 2022?

DECLARE
  @value INT = NULL
, @value2 VARCHAR(20) = NULL;
SELECT COALESCE (@value, @value2, 100.5) AS Result;
GO

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