SQL and NOT SQL: Best of 2017
Photo by Rick Meyers on UnsplashWith only a few days left in 2017, I thought it would be fun to do a year...
2017-12-26
428 reads
Bert Wagner
SQL and NOT SQL: Best of 2017
With only a few days left in 2017, I thought it would be fun to do a year in review post. Below you'll find some of my top 5...
2017-12-26
5 reads
How To Create Multi-Object JSON Arrays in SQL Server
Recently I was discussing with Peter Saverman whether it would be possible to take some database tables that look like...
2017-12-19
8,408 reads
How To Create Multi-Object JSON Arrays in SQL Server
Recently I was discussing with Peter Saverman whether it would be possible to take some database tables that look like this:
And output them so that the Cars and Toys...
2017-12-19
118 reads
Reducing the Number of Reads in Your Queries
“A-Bridged” – reducing reads – get it? I’m sorry you’re reading this. Photo by Jamie Street on UnsplashIn last week’s post, we went over how...
2017-12-12
217 reads
Reducing the Number of Reads in Your Queries
In last week's post, we went over how one of best ways to improve query performance was to reduce the number of reads that your query has to do.
Less reads...
2017-12-12
12 reads
Learning Through Blogging and Speaking
This post is a response to this month’s T-SQL Tuesday prompt created by Mala Mahadevan. T-SQL Tuesday was created by...
2017-12-12
168 reads
Learning Through Blogging and Speaking
This post is a response to this month's T-SQL Tuesday prompt created by Mala Mahadevan. T-SQL Tuesday was created by Adam Machanic and is a way for SQL users...
2017-12-12
10 reads
How to use Statistics IO to Improve Your Query Performance
SQL Server’s STATISTICS IO reporting is a great tool to help you performance tune queries.Usually the goal of performance tuning...
2017-12-05
3,528 reads
How to use Statistics IO to Improve Your Query Performance
SQL Server's STATISTICS IO reporting is a great tool to help you performance tune queries.
Usually the goal of performance tuning is to make your query run faster. One of...
2017-12-05
65 reads
Blogs
Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework
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
One of my favourite features of SQL Server 2022 was the T-SQL Snapshot Backups....
The Book of Redgate: Hours
By Steve Jones
I have said and written this many times: Redgate Software is the type of...
Forums
AI Experience Gap that we keep talking about
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Squared Values
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I Don't Want To Do XX
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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) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers