Gregory Jackson

  • Interests: Photography, Cooking, Playing Chess Poorly, Fly Fishing and Other Outdoor activities, playing with my kids.

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Keeping Track of my ConEmu CLIs

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10 Decisions to Make Before You Create A Fabric Workspace

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Creating a Fabric workspace takes about 30 seconds. Restructuring workspaces after people have built...

Flyway Tips: Object History

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It’s a small change, but a handy one. Flyway Desktop (FWD) now includes the...

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Adding new column with DEFAULT II

By Thomas Franz

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Advanced Deployment Scenarios: Stairway to Reliable Database Deployments Level 7

By Massimo Preitano

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You Need a DBA Pipeline

By Steve Jones - SSC Editor

Comments posted to this topic are about the item You Need a DBA Pipeline

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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

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