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SQLServerCentral Editorial

Constant Learning

  • Editorial

Yesterday, I had the opportunity, and the privilege, to attend an all-day workshop put on by Bob Ward teaching all about SQL Server 2022 (you can take this too, Bob is presenting it at SQLSaturday Austin and SQL Bits, and there will be more). It was a great day. Bob is an excellent teacher. Even […]

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2023-02-11

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SQLServerCentral Editorial

Outsourcing Operations

  • Editorial

When I first started working in technology in the 90s, it was a time of outsourcing lots of work overseas. Many large companies followed the wave of manufacturing in the 70s and 80s by many companies, including lots of semi-conductor manufacturers. I watched as a number of jobs moved overseas, though fortunately not mine. In […]

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2023-02-06

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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