Optimize SQL LIKE Wildcard Searches
Learn about different ways to improve the performance of full wild card text searches to find strings in SQL Server tables.
2024-11-01
Performance and Tuning
Troubleshoot Chained SQL Server CTE
This article will explore how SQL Server chained CTEs might make troubleshooting code harder and whether you should stop using CTEs altogether.
2024-10-23
Identify CPU Intensive SQL Server Queries from an Implicit Conversion
Learn how to use the SQL Server Query Store to find CPU-intensive queries and how you can use Query Store to resolve these issues.
2024-10-09
Raising the Cost Threshold for Parallelism (CTFP) Affects SQL Server Missing Indexes
This article explores how raising the Cost Threshold for Parallelism (CTFP) affects missing index recommendations in SQL Server along with examples.
2024-09-25
When Do We Worry About Scalability?
Steve has a few thoughts on the tradeoff between getting work done quickly and producing well performing code.
2024-09-18
134 reads
SQL Local Variables and Performance Issues
In this article, we examine the effect of local variables on T-SQL queries and how these could potentially cause performance issues.
2024-08-23
Invisible Downtime
Steve has a few thoughts on invisible downtime, a term he had never heard until recently.
2024-05-22
214 reads
SQL Server Plan Cache Bloat Performance Impacts
Learn about the SQL Server plan cache and how SQL Server caches query plans, and the potential of plan cache bloat which could impact performance.
2024-04-10
Option Recompile is a Magic Turbo Button That Actually Works.
Guy Glantser is an Israeli SQL Server guru with a ton of great presentations on YouTube. I’ve had the privilege of hanging out with him in person a bunch of times over the year, and I’ll always get excited to do it again. He’s not just smart, but he’s friendly and funny as hell.
2024-04-08
What Happens When Multiple Queries Compile at Once?
An interesting question came in on PollGab. DBAmusing asked: If a query takes 5-7s to calculate the execution plan (then executes <500ms) if multiple SPIDS all submit that query (different param values) when there’s no plan at start, does each SPID calc the execution plan, one after the other after waiting for the prior SPID to finish?
2024-03-29
Blogs
Exploring DiskANN: Part I: Understanding the Algorithm before the disk
How I used AI for this postChatGPT to generate images based on info specifically...
Learning Tool – Deepstash
By Brian Kelley
A few months ago I started using Deepstash. Deepstash breaks books into the key...
New article – migrating from a named instance
By Brian Kelley
Do you have a case where you have a named instance you'd like to...
Forums
Understanding Temp Tables and Table Variables in SQL Server
Comments posted to this topic are about the item Understanding Temp Tables and Table...
The Data API Builder MCP Server Tools
Comments posted to this topic are about the item The Data API Builder MCP...
Collecting Data Is Hard
Comments posted to this topic are about the item Collecting Data Is Hard
Question of the Day
The Data API Builder MCP Server Tools
The Data API Builder MCP Server, v2.x, includes a number of tools. What actions can these tools perform in your database?
See possible answers