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Greener Grass

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Before I start the whining (whinging if you prefer), let me just say I have the greatest job in the world. I'm exceedingly lucky to have it. I'm grateful as can be. And someone else (looking at you Tim) can get it when they pry it from my dead cold fingers. With that out of […]

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2025-06-16 (first published: )

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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)

See possible answers