Editorials

SQLServerCentral Editorial

Live On Stage AND On Your Screen

I've just finished up teaching at an in-person event, the first in fifteen months. It was the SQL Server and Azure SQL Conference (formerly known as SQLIntersection). The event organizers did a great job making it into a hybrid event, where  we presented both in-person and virtually, so that people could choose if they wanted […]

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2021-06-12

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SQLServerCentral Editorial

Scaling Deployment

This week there was an interesting article on DevOps and Ancestry.com's DevOps process. They are a fairly large enterprise, with 70+ teams that need to deploy code on a regular basis. As they've grown, there was some concern over each team learning how to best build their software pipeline. While they shared knowledge with each […]

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2021-06-05

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SQLServerCentral Editorial

Back to Basics, Reaching for the Clouds, and Leveling Up

The three themes for speakers at this year's PASS Data Community Summit are: Back to Basics, Reach for the Clouds, and Level Up. The goal here is content that covers a wide variety of areas, with many fewer restrictions from previous years. Perhaps the big thing to note for this year's event is: Free. That's […]

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2021-06-02

230 reads

SQLServerCentral Editorial

Living Life

It's a holiday weekend in the US this weekend. As such, many of you will be taking a break from work and enjoying time with family, as well as remembering some history in the US. If you're in the rest of the world, hopefully you have a holiday coming up soon you can enjoy. One […]

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2021-05-29

72 reads

Blogs

A Last Minute Trip to the EU

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My life has some crazy travel stretches for sure. Between speaking, office visits, customer...

Part 3 of 3: Tuning DiskANN — R, Alpha, L, Beam Width, Recall and Latency

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In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...

Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework

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I’m excited to announce the release of a new open-source project that fully automates...

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ORDER BY alias

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Optional Parameter Plan Optimization in SQL Server 2025: Fixing the Kitchen-Sink Search Procedure

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AI Experience Gap that we keep talking about

By Pat Wright

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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