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
T-SQL
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
9,716 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
Migrate Key-Value Pairs from Python Dictionary to SQL Server via JSON
This article will demonstrate how to migrate via JSON, key-value pairs from a Python dictionary object to a SQL Server table.
2021-07-16
Blogs
My 2024 in Data: Music
By Steve Jones
This is my last week of the year working (I guess I come back...
A New Word: Suente
By Steve Jones
suente– n. the state of being so familiar with someone that you can be...
Side Projects
Anyone (everyone?) who has ever tried to learn a programming language knows that to...
Forums
Timeout Error while executing a TSQL statement in Sql server Express Edition
I am getting the below error when I execute a SQL command in SQL...
Timeout Error while executing a TSQL statement in Sql server Express Edition
I am getting the below error when I execute a SQL command in SQL...
Sql script replace and rearrange numbers
Hi everyone. I have this table and this information. (left side of the image)...