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Webinar: Whatever your source control system - seamlessly link it to SQL Server

In this webinar consisting of 30 minutes of software demonstrations followed by Q&A, you will learn how to link your database to your existing source control system within SQL Server Management Studio using Red Gate’s SQL Source Control.

We will also give you an exclusive preview of forthcoming custom scripts features in the next version of SQL Source Control and SQL Compare.

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Question of the Day

Adding new column with DEFAULT II

Which number did the two COUNT(*) return:

DROP TABLE IF EXISTS #tmp
CREATE TABLE #tmp (id INT NOT NULL)

INSERT INTO #tmp (id) 
SELECT gs.value
  FROM GENERATE_SERIES(1, 5) AS gs

ALTER TABLE #tmp ADD my_value INT NOT NULL CONSTRAINT df_tmp_my_value DEFAULT 1

SELECT COUNT(*)  FROM #tmp AS t WHERE my_value = 1

ALTER TABLE #tmp DROP CONSTRAINT df_tmp_my_value

ALTER TABLE #tmp ADD CONSTRAINT df_tmp_my_value DEFAULT 2 FOR my_value

SELECT COUNT(*)  FROM #tmp AS t WHERE my_value = 1

See possible answers