Improving Performance for Some LIKE “%string%” Searches (SQL Spackle)
If you've ever wondered if you can do better than an INDEX SCAN when you do a LIKE "%string%" search, read on...
2024-11-29 (first published: 2014-04-07)
51,225 reads
Dwain Camps
The Right and Wrong of T-SQL DML TRIGGERs (SQL Spackle)
Triggers in T-SQL have many uses. There are right and wrong ways to write triggers. To learn the difference, read on...
2024-11-15 (first published: 2015-03-17)
9,134 reads
Calculating Elapsed Times (SQL Spackle)
Calculating elapsed time between time values can be an interesting problem that is easily solved even when data anomalies are present.
2024-09-20 (first published: 2013-09-26)
18,950 reads
An Alternative (Better?) Method to UNPIVOT (SQL Spackle)
Normalizing or UNPIVOTing data may be improved by using this lesser known approach in SQL Server 2008 or later.
2024-07-26 (first published: 2012-08-02)
46,262 reads
Performance of the SQL MERGE vs. INSERT/UPDATE
The SQL MERGE statement offers convenience, safety and elegance, but how does it perform compared to other methods?
2017-02-03 (first published: 2013-10-28)
170,734 reads
Logging and Error Handling for SQL Stored Procedures
Learn how to develop and test a template for logging and error handling in a multi-step SQL stored procedure
2015-09-18 (first published: 2014-01-20)
40,027 reads
The Case for Scalar-valued, User-defined Functions in T-SQL
Did you know that scalar-valued, user-defined functions can be used in DEFAULT/CHECK CONSTRAINTs and computed columns? Learn about it...
2015-05-12
7,316 reads
A Hazard of Using the SQL Update Statement
If you've never encountered this quirk of the SQL UPDATE statement, you should take a look and find a simple way around it.
2015-04-06 (first published: 2013-09-09)
27,878 reads
Identifying Start Dates not Aligned with End Dates on a Prior Row
When effective end dates don't align properly with effective start dates for subsequent rows, what are you to do?
2015-03-24
10,666 reads
How to Design, Build and Test a Dynamic Search Stored Procedure
Learn how to design, build and test a dynamic search SP in just a few simple but methodical steps.
2015-03-06 (first published: 2013-11-05)
25,119 reads
Blogs
dataMinds Connect 2026 – Slides & Scripts
You can find the slides and SQL scripts for my session “Spice up your...
How to Clear the SSMS Cache (SSMS 21 and Later)
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
The flight recorder: Replaying what an AI agent did on my SQL Server
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
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Question of the Day
Checking the Error Log III
If I want to run sp_readerrorlog on SQL Server 2025, what permissions do I need?
See possible answers