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)
51,041 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)
9,003 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)
18,847 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)
45,853 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)
169,146 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)
39,437 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
7,276 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)
27,783 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
10,598 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)
25,027 reads
Blogs
Programmatically Retrieving MLV Lineage and Refresh Times
Materialized lake views (MLVs) in Microsoft Fabric are an effective way to implement medallion...
Upgrading SQL Server Containers on the Laptop
By Steve Jones
I don’t have SQL Server installed on my laptop. In an effort to keep...
Forums
Increase Deadlock Detection
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A Tool is Better than a Script
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Understanding Deadlock Victim Selection in SQL Server
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Question of the Day
Increase Deadlock Detection
How can I alter the deadlock detection interval to 2 seconds instead of 5 seconds on my SQL Server 2025 instance?
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