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Your Favorite IDE

SSMS is, well, it's what we mostly have from Microsoft. It's been around a long time, but it is getting regularly released. There are new versions about every quarter, and there are bug fixes and minor enhancements. Azure Data Studio appears to be where Microsoft would like most of us to move, but I, and […]

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2020-12-04

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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