HeyMo0sh

Hamish is a Systems Management Specialist with a passion for efficient application deployment using DevOPs methodologies. He has 19 years IT experience in managing large scale databases SQL Server technologies. He has been managing SQL Server since SQL Server 2000 and pragmatic architectural design is his main focus in his current job. Educating and helping others learn is a driver for Hamish and he is a PASS User Group Leader, International speaker and a repeat guest lecturer at a local university.

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Blog Post

DevOps: It’s About the Team, Not Just the Tech

In November 2023 I did a session at PASS Summit and one of my sessions was voted https://passdatacommunitysummit.com/about/news/have-you-watched-some-of-the-most-popular-sessions-from-summit-2023/ That session was called DevOps is about Growing People rather than...

2024-03-27 (first published: )

210 reads

Blog Post

Goals for 2024

Way back in 2019 I set some goals…. well I wrote some goals and posted them here 2019 seems a lifetime ago…..that was the year I travelled 200,000 air...

2024-03-20

49 reads

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Blogs

T-SQL Tuesday #202: 100 Hours

By

It’s time for T-SQL Tuesday again and this is a great prompt to start...

Exploring DiskANN: Part 2: PQ, SSDs, caching and beam search

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How I used AI for this postChatGPT to generate images based on info specifically...

T-SQL Tuesday #202: The Two Outages I Won't Ever Forget

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My T-SQL Tuesday #202 entry for Marlon Ribunal's invitation on memorable SQL Server outages....

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Forums

Performance Regression After Upgrading from SQL Server 2016 to 2022

By abdalah.mehdoini

Hello everyone, Last week we performed an upgrade of our SQL Server instance, moving...

Adding new column with DEFAULT

By Thomas Franz

Comments posted to this topic are about the item Adding new column with DEFAULT

How do I connect to a SQL Server database on my ISP?

By Doctor Who 2

I've got a web application for my side business. I've added a SQL Server...

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Question of the Day

Adding new column with DEFAULT

Which number will the COUNT() return after executing the following statements: 

DROP TABLE IF EXISTS #test;
CREATE TABLE #test (id INT)
INSERT INTO #test (id)
SELECT *
  FROM GENERATE_SERIES(1, 3) AS gs
;

ALTER TABLE #test ADD flag BIT CONSTRAINT DF_#test_flag DEFAULT 0;
go
UPDATE #test SET flag = 0 WHERE id = 1
UPDATE #test SET flag = 1 WHERE id = 2

INSERT INTO #test (id) VALUES (4)

SELECT COUNT(*)
  FROM #test AS t
 WHERE flag = 0
 

See possible answers