Aggregate Function Product()
The TSQL aggregate function SUM() gives a number based on the addition of the values of multiple rows to each other. Do the same thing but with multiplication instead of addition.
2012-02-06
10,343 reads
Articles
TSQL Challenge 75 - Find the Episode and Sequence based on interval
The challenge is to find the Episode and Sequence based on interval.
2012-02-06
1,272 reads
Great SQL Server Debates: Buffer Cache Hit Ratio
One of the more popular counters used by DBAs to monitor SQL Server performance, the Buffer Cache Hit Ratio, is useless as a predictor of imminent performance problems. Worse, it can be misleading. Jonathan Kehayias demonstrates this convincingly with some simple tests.
2012-02-06
2,967 reads
Do you know your getdate()?
This article takes a closer look at SQL Server getdate() and sysdatetime() functions.
2012-02-03 (first published: 2010-05-12)
27,827 reads
A Computed Column Defined with a User-Defined Function Might Impact Query Performance
A benefit of using computed columns is that they can save developers from having to write calculation logic at the application layer; at the table level, the application can simply reference the computed column. In addition, performance can be improved by persisting a computed column and building an index on it.
2012-02-03
2,708 reads
Post a Twitter Status Update using T-SQL
Learn how to post a Twitter status update with 5 lines of T-SQL using a third party library.
2012-02-02
2,270 reads
2012-02-02 (first published: 2010-09-01)
9,306 reads
2012-02-02
25,387 reads
Confessions of a DBA: My Worst Mistake
To kick off a series of DBA worst case scenarios, we asked Phil Factor to confess. He came up with a classic: The mistaken belief that a backup WITH CHECKSUM guaranteed a good backup that could be restored, and the ensuing disaster.
2012-02-02
5,280 reads
Get Alerts for Specific SQL Server Login Failed Events
In a recent MSSQLTips.com question, a user asked how they could get an alert whenever a login failed due to the account being locked out. As with many problems, there are several ways to solve this issue.
2012-02-01
1,962 reads
Blogs
Why I stopped using MCP for AI coding stuff
By HeyMo0sh
Something has shifted quietly in 2026. The developers I know/respect—the ones actually shipping, not...
AI: Blog a Day – Day 5: Notebooks, Hugging face models and Fine Tuning
By Vinay Thakur
Continuing from Day 4 where we learned Encoder, Decoder, and Attention Mechanism, today we...
AI: Blog a Day – Day 4: Transformers – Encoder, Decoder, and Attention
By Vinay Thakur
Continuing from Day 3 where we covered LLM models open/closed and their parameters, Today...
Forums
Dynamic Unpivot
I have a table I didn't design that has tons of repeating groups in...
Writing as an Art and a Job
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String Similarity II
Comments posted to this topic are about the item String Similarity II
Question of the Day
String Similarity II
What is the range for the result from the EDIT_DISTANCE_SIMILARITY() function in SQL Server 2025?
See possible answers