Sheldon Hull

https://github.com/sheldonhull

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Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework

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I’m excited to announce the release of a new open-source project that fully automates...

T-SQL Snapshot Backups on Availability Group Secondary Replicas

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One of my favourite features of SQL Server 2022 was the T-SQL Snapshot Backups....

The Book of Redgate: Hours

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I have said and written this many times: Redgate Software is the type of...

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AI Experience Gap that we keep talking about

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Squared Values

By Steve Jones - SSC Editor

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I Don't Want To Do XX

By Steve Jones - SSC Editor

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Question of the Day

ORDER BY alias

There is a table tmp_tab: 

CREATE TABLE tmp_tab (
id int,
val int
);
INSERT INTO tmp_tab VALUES
(1, 1),
(2, NULL),
(3, 3),
(4, 4),
(5, 5);
You want to order the rows ids by the following expression: 
    ISNULL(val, id) + 1
Which of the following queries produces the expected ordering and why? (Select all correct)

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