Introduction As you may know, in the early days of SQL Server Clustering, Microsoft advised to provide each clustered SQL Server instance with its own Microsoft Distributed Transaction Coordinator (MSDTC) resource. Since SQL Server 2012 this advice has been withdrawn. Microsoft now recommends to provide your instance with its own MSDTC resource, once you notice the […]
2025-04-04
3,590 reads
If you don’t know, DAX (Data Analysis Expressions) is a language for creating custom calculations and aggregations in Power Pivot, Power BI, and other data analysis tools. Two functions in DAX come close to replicating the functionality but come with limitations. Which one of these functions should you use?
2025-04-04
If you’re going to work with databases, you probably ought to know something about data. In particular, we don’t put data directly into a database; we have to encode it and represent it in a format which a machine can handle.
2025-04-02
Learn how the DeepSeek GenAI LLM works and see how it produces SQL code.
2025-03-31
3,646 reads
Over the last several years, Microsoft has been putting less and less effort into Cumulative Update documentation. We used to get full-blown knowledge base articles about fixes, but these days, we get a collection of footnotes with deceiving hyperlinks that look like they’re going to lead to more information – but they simply lead back to themselves.
2025-03-31
Learn about the new string similarity functions in Azure SQL Database.
2025-03-28
8,536 reads
Regular expressions (REGEX) let you adaptively investigate, employ, and authenticate text data. This makes it easy to search for simple or complex string patters. There is no direct way to do this in SQL Server, but in this article we look at some SQL functions you can create to emulate regex like functionality.
2025-03-28
The digital landscape is rapidly evolving, and the question has progressed from whether to adopt cloud technology to how to effectively use it to drive business growth and innovation. Having recognized the power of the cloud in terms of agility, scalability and innovation, organizations are turning their focus to how to get more from their investment. One such consideration is multi-cloud.
2025-03-26
Learn how dynamic SQL and sp_executeSQL can be used together from Python.
2025-03-24
4,160 reads
I need to construct JSON from data in our database, but I find the existing FOR JSON PATH limited when the data is not located in one single row but rather scattered over multiple rows. Is there another method on how to handle JSON data in SQL Server? Learn how to use the new SQL Server JSON Functions JSON_OBJECTAGG and JSON_ARRAYAGG in this article.
2025-03-24
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
By Steve Jones
I caught this interesting item over on Pinal Dave’s blog: Eleven Interview Questions that...
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Comments posted to this topic are about the item RegEx Functions IV
I have this data in a table in a SQL Server 2025 database:
EmailAddressID EmailAddress 7 dylan0@ADVENTURE-WORKS.COM 8 Diane1@ADVENTURE-WORKS.COMIf I run this query, which row(s) are returned?
SELECT top 10 * FROM person.EmailAddress WHERE REGEXP_LIKE(EmailAddress, '^D', 'i') AND BusinessEntityID IN (7,8)See possible answers