Date and Time Calculations Made Easy with EOMONTH, DATEDIFF, and DATEADD
Learn how to work with dates and calculate particular dates or elapsed time periods with some of the functions available in SQL Server.
2025-05-09
3,132 reads
omu
The Subtle Differences Between COALESCE and ISNULL
See how ISNULL and COALESCE behave in different situations and ensure you know which one to pick when.
2025-04-18
5,096 reads
Understanding UNION and UNION ALL in SQL Server
A short look at the differences in UNION and UNION ALL in a SELECT query.
2025-04-07
4,346 reads
Dynamic T-SQL Script Parameterization Using Python
Learn how dynamic SQL and sp_executeSQL can be used together from Python.
2025-03-24
3,707 reads
Using SQL Server Stored Procedures with the Django ORM
Learn how you can call stored procedures in the Django ORM, which lets you encapsulate more complex queries inside the database.
2025-03-14
1,380 reads
The Paradox of NOLOCK: How Dirty Reads Can Sometimes Be Cleaner
Every SQL Server developer has heard it: "Don't use NOLOCK in production!" But this common rule isn't as simple as it seems. Sometimes, what seems like a bad practice can actually be the right choice. Let's explain what NOLOCK really does in simple terms. When you use NOLOCK, you're telling SQL Server "just show me […]
2024-12-09
5,063 reads
A Guide to SQL Security in Django
If you encounter Django in your environment, are you thinking about SQL Injection and security? If not, read this article and learn how to protect your data.
2024-11-01
1,084 reads
Leveraging SQL Transaction Control in Python Applications
Explore the fundamentals of Python's SQL transaction control, demonstrating how to control and enhance database operations for improved data integrity. The best practices and real-world examples for integrating strong transaction management in Python applications are covered in this article.
2024-10-28
1,673 reads
Django's ORM vs. Raw SQL: When to Use Which
When it comes to building websites, how you work with your database can make a huge difference in how well your site runs. That's especially true if you're using Django, a popular tool for making websites with Python. Django comes with something called an Object-Relational Mapping (ORM) layer, which is a fancy way of saying […]
2024-01-26
4,970 reads
Blogs
RANK() vs DENSE_RANK(): #SQLNewBlogger
By Steve Jones
I haven’t done one of these in awhile, but I saw an article recently...
Using CAT for Testing of Data Agents
In last months one of the scenarios where you can use AI has been...
Forums
Missing the Jaro Winkler Distance
Comments posted to this topic are about the item Missing the Jaro Winkler Distance
25 Years Later: What SQLServerCentral Meant to Me
Comments posted to this topic are about the item 25 Years Later: What SQLServerCentral...
Doing Good at SQL Server Central
Comments posted to this topic are about the item Doing Good at SQL Server...
Question of the Day
Missing the Jaro Winkler Distance
I upgraded a SQL Server 2019 instance to SQL Server 2025. I wanted to test the fuzzy string search functions. I run this code:
SELECT JARO_WINKLER_DISTANCE('tim', 'tom')
I get this error message:Msg 195, Level 15, State 10, Line 1 'JARO_WINKLER_DISTANCE' is not a recognized built-in function name.What is wrong? See possible answers