Avoid “Constants” in T-SQL
Here we look at a common query "anti-pattern" that can create performance problems - and how you work around it.
2023-06-14
426 reads
Matthew McGiffen DBA
Executing Queries Using Always Encrypted
In this post we’ll look at how you interact with data that is encrypted using Always Encrypted. The examples here will show how you run queries from SSMS, in...
2023-06-13
59 reads
Success vs. Scalability: Why your biggest success might also be your biggest disaster
There is a scenario I have seen again and again. A company has developed a nice piece of software which many clients are running with happily. Then along comes...
2023-06-12
41 reads
Parameter Sensitive Plan Optimization in SQL Server 2022. What is it and is it any good?
Parameter Sensitive Plan (PSP) optimization is a new feature in SQL Server 2022 that aims to improve the performance of parameterized queries. It is part of the Intelligent Query...
2023-06-26 (first published: 2023-06-08)
355 reads
Identify the (Top 20) most expensive queries across your SQL Server using Query Store
Script to identify the most expensive queries on your database server using the Query Store DMVs. This allows you to look at data from a specific time frame, as...
2023-06-07
345 reads
Setting Up Always Encrypted
In this post we're going to go through the steps to set up Always Encrypted and create an encrypted column. As with my last post we're looking at the...
2023-06-06
54 reads
What is Always Encrypted and how does it work?
Always Encrypted was a new encryption feature added to SQL Server with the 2016 version of the product. Initially it was just available in enterprise edition, but from SQL...
2023-06-21 (first published: 2023-06-05)
384 reads
Introduction to SQL Server Query Store
Introduced with SQL 2016, Query Store was, probably without doubt, the most anticipated and talked out new feature. In this post we'll just take a brief look at it,...
2023-06-14 (first published: 2023-05-31)
637 reads
SQL Server Backup Encryption and Compression
In SQL Server you can also compress your encrypted backups. Unlike TDE this has been possible with Backup Encryption since the feature was first made available, and there have...
2023-06-12 (first published: 2023-05-24)
385 reads
Statistics Parser
Using Statistics Parser to easily read output from STATISTICS IO and STATISTICS TIME.
2023-05-23
304 reads
Blogs
The SUM of Nothing: #SQLNewBlogger
By Steve Jones
I caught this interesting item over on Pinal Dave’s blog: Eleven Interview Questions that...
How to Move the SSMS Status Bar to the Top and Color-Code SQL Server Connections
By Hemantgiri
I use color-coded connections in SSMS to distinguish Production, Pre-Production, UAT, and Development. But...
Forums
Split Large Queries in Athena with a Simple Modulo Trick
Comments posted to this topic are about the item Split Large Queries in Athena...
Finding Trailing Spaces
Comments posted to this topic are about the item Finding Trailing Spaces
Question of the Day
Finding Trailing Spaces
I have some data in a SQL Server 2025 database. It looks like this for the dbo.Customer table:
CustomerID CustomerName PreferredName 1 Steve Steve 2 Andy Andy 3 Brian Brian 4 Allan Allan 5 Devin Devin 6 Steve Steve 7 Sally SallyI want to detect which names have a single trailing space. The CustomerName is a varchar() and the PreferredName is a CHAR(). Does this query detect the problem rows?
SELECT
CustomerID,
CustomerName,
PreferredName
FROM Customer
WHERE CustomerName <> RTRIM(CustomerName)
OR PreferredName <> RTRIM(PreferredName); See possible answers