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SQLServerCentral Editorial

Gentlest of Reminders, Don't Stop Learning

  • Editorial

I was on the road for just over two weeks. I was able to travel around to a few places and present some sessions. But, better than that, thanks to SQL Konferenz, I was able to go to a couple of sessions and learn some stuff. I'm lucky/cursed in my position at Redgate. We have […]

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2023-09-23

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SQLServerCentral Editorial

The Impact of Small Changes

  • Editorial

A year ago, I started a monthly blogging event for the PostgreSQL community, inspired by T-SQL Tuesdays. I decided to call it PGSQL Phriday. (Time will tell if my insistence on trying to use a literation was a good idea or not.) Like the event for the SQL Server community, we ask someone to be […]

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2023-09-09

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SQLServerCentral Editorial

A Season of Reflection

  • Editorial

As I think about heading into the fall conference season (and seeing so many familiar faces!!), I realize that I'm going to be asking myself a set of familiar questions. Who am I? What skills do I need to improve on in the coming year? Who do I look up to in the community and […]

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2023-09-02

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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