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What Agent Jobs are Running??

Do you run SQL Agent Jobs in your environment?  Do you know what is running at any given time?  Most people do not know what is currently running if...

2020-08-13 (first published: )

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Blog Post

Data Platform MVP 2020

I am humbled to be among so many great professionals and honored at the same time for having been chosen.
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2020-08-12

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Adding new column with DEFAULT II

By Thomas Franz

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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