Eduardo Pivaral

SQL Server Database Administrator/Developer with experience in large environments.
I have worked on IT for nearly 15 years in different areas.

Microsoft Certified Solutions Associate: SQL 2016 Database Administration since 2018.
Microsoft Certified Solutions Associate: SQL Server 2012/2014 since 2017.
Microsoft Certified Professional since 2014.

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ORDER BY alias

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Comments posted to this topic are about the item ORDER BY alias

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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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