Performance Tuning Using Free Tools, Part 2
You can do essential performance tuning on your SQL Server databases using a FREE toolkit!
2022-01-14
5,518 reads
T-SQL
How to Create a FOR Loop in SQL Server
Learn different ways to create FOR Loops using T-SQL such as using WHILE loops, cursors, tally tables and more.
2021-12-31
BETWEEN the two of us
BETWEEN can be used in a SQL WHERE clause to filter on a range. Joe Celko explains the history of BETWEEN and also could be implemented.
2021-12-15
Trusting STRING_SPLIT() order in Azure SQL Database
Learn about the changes to the STRING_SPLIT function in Azure SQL Database that allows you to specify ordinal position of the output.
2021-12-03
SQLFacts - A Free Toolkit for SQL Server Database Engineers
SQLFacts is a FREE suite of 26 (and counting) tools for SQL Server database development, database administration, and performance tuning. The toolkit is all T-SQL code and it includes the functionality of hundreds of short scripts.
2021-11-19
9,930 reads
Handling an unknown number of parameters in SQL Server
In this article we compare performance differences when splitting comma separated strings using TVPs, TVFs, openjson, string_split and more.
2021-11-10
Model and Log Trend Reversals for Time Series Data in SQL Server
This tip demonstrates models for detecting the start of periods of rising or falling financial securities prices based on exponential moving averages. The demonstration is simplified because it relies on a log to keep track of time series values as well as exponential moving averages with different period lengths.
2021-10-15
Learning the SQL GROUP BY Clause
Learn about the various ways to use the GROUP BY command to summarize and rollup query results. We look at the basics with examples as well as using group by rollup, cube and grouping sets.
2021-10-06
How LAG compares to other techniques
LAG pulls a column from another row without a self-join. In this article, Kathi Kellenberger shows how LAG compares to other techniques
2021-09-24
Executing a TSQL batch multiple times using GO
Learn how to execute the same batch of SQL Server commands X number of times using the GO command.
2021-08-27
Blogs
Back in the EU
By Steve Jones
I flew to Amsterdam last night and hopefully by the time this publishes I’ll...
The Feedback Multiplier: How Leaders Can Turn Input into Innovation
By Chris Yates
In every organization there is a hidden currency more valuable than capital, more enduring...
SQL Saturday Boston Slides and Code
By Steve Jones
Thanks to everyone who attended my sessions today at SQL Saturday Boston 2025. I’ve...
Forums
how to use a variable in a CASE statement?
hi everyone I am getting an error when I add a variable to a...
How to Use SQL Server Features to Cut Web App Latency in Half
Comments posted to this topic are about the item How to Use SQL Server...
Choosing an AI in Sept 2025
Comments posted to this topic are about the item Choosing an AI in Sept...
Question of the Day
The New SQL Server 2025 Data type
In SQL Server 2025, there is a new data type designed to support similarity search and machine learning applications for AI applications. What is this new data type?
See possible answers