Editorials

SQLServerCentral Editorial

SQLBits Report

Last week I attended my first in-person event in over two years. SQLBits, the largest data platform conference in Europe, was a hybrid event and marked the first time many of us met in person in ages. It was a huge success as folks from around the world gathered to learn...and celebrate! I heard several […]

You rated this post out of 5. Change rating

2022-03-19

115 reads

SQLServerCentral Editorial

Using Technology for Health

I've been fairly healthy and fit for most of my life. While I've always had a few extra pounds, I do try to eat better than average and I exercise regularly. That didn't stop age and some pandemic laxity from catching up with me. My annual checkup last December had my doctor (and me) slightly […]

You rated this post out of 5. Change rating

2022-03-05

128 reads

Blogs

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

By

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

T-SQL Snapshot Backups on Availability Group Secondary Replicas

By

One of my favourite features of SQL Server 2022 was the T-SQL Snapshot Backups....

The Book of Redgate: Hours

By

I have said and written this many times: Redgate Software is the type of...

Read the latest Blogs

Forums

ORDER BY alias

By aniap

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

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

By vgupta

Comments posted to this topic are about the item Optional Parameter Plan Optimization in...

AI Experience Gap that we keep talking about

By Pat Wright

Comments posted to this topic are about the item AI Experience Gap that we...

Visit the forum

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