This guide helps you get started on troubleshooting some of the common issues in AlwaysOn Availability Groups and monitoring AlwaysOn Availability Groups. It is intended to provide original content as well as a landing page of useful information that is already published elsewhere.
2024-01-09 (first published: 2021-08-25)
The use of statistics in SQL Server is tightly embedded in the query optimizer and query processor. The creation and maintenance of statistics is usually handled by the SQL Server engine, though many DBAs and developers know that periodically we might need to update those statistics to ensure good performance of queries. SQL Server 2019 gives us more options.
2024-01-09 (first published: 2019-04-01)
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This Data Saturday Event is being jointly developed by the Albuquerque Data Platform Users Group, Arizona Data Platform Users Group, and the Santa Fe Data Platform Users Groups. This event will include sessions on many Microsoft Data Platform related topics. Join us on May 15, 2021.
2024-01-09 (first published: 2021-05-14)
Our annual mental health and wellness day is slated to happen on 8th April 2022. We have a fantastic lineup,schedule as below. For more details on speakers and sessions refer to our blog post here.
2024-01-09 (first published: 2022-04-08)
SQL Server post migration step is very crucial for reconciling any data accuracy and completeness, as well as uncover performance issues with the workload.
2024-01-09 (first published: 2022-10-10)
In this article, we are going to learn the basics of SQL unit testing and how to write a SQL unit test through the tSQLt framework.
2024-01-09 (first published: 2023-09-08)
In this article, learn how to control access levels to various data and parts of Power BI reports using row-level security as well as column and object-level security.
2024-01-09 (first published: 2023-06-19)
This article shows how to use Python to access data in SQL Server and produce a K-Means analysis with a chart.
2024-01-08
3,313 reads
Imagine this: you have several directories full of SQL script files, and you need to know where a certain table is used. You’d rather like the context too, so you can check the whole SQL Expression and work out why it is running so slowly.
2024-01-08
Introduction This article celebrates a classic algorithm [1] of Dijkstra (1930 – 2002) which finds a path of minimal cost between any pair of nodes in an undirected graph. His procedure is widely recognized as a fundamental tool for examining communication and transportation networks (eg. Google Maps) and is surprisingly simple. By his own admission, […]
2024-01-05
8,783 reads
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