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
394 reads
Here we look at a common query "anti-pattern" that can create performance problems - and how you work around it.
2023-06-14
394 reads
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
25 reads
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
15 reads
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)
295 reads
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
291 reads
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
28 reads
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)
345 reads
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)
604 reads
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)
350 reads
Using Statistics Parser to easily read output from STATISTICS IO and STATISTICS TIME.
2023-05-23
280 reads
By Rayis Imayev
(2025-June-15) Long gone are the days when a data engineer could simply focus on building...
By Ed Elliott
I recently encountered an interesting issue with ADF where the publish feature suddenly attempted...
Image from Afdhaluddin on ShutterstockCLI which is generally referred to as Command Line Interface...
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I am trying to analyze a number of columns in a large table to determine the highest value for each row. In SQL Server 2022, we have the GREATEST function, which will return the greatest value from those columns passed in. How many columns can I include in an expression like this:
select GREATEST( col1, col2, col3, ...)See possible answers