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)
8,529 reads
Dwain Camps
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...
2024-10-22 (first published: 2014-04-07)
45,928 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)
18,425 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)
43,522 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)
157,074 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)
36,380 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
7,185 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)
27,417 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
10,481 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)
24,500 reads
Blogs
How to find free space in Azure PosgreSQL
I wanted to figure out how big (or approximately how big) my dump file...
T-SQL Tuesday #180: Good enough is perfect Roundup
This month, I prompted bloggers to discuss whether good enough is perfect. Thank you to all...
Using SQL Compare with Read-only Access
By Steve Jones
Recently a customer asked if SQL Compare and SQL Data Compare can be used...
Forums
Compare rows within the same table
I have a table. Structure in script below. I have to compare and see...
Microsoft Recommendations for Update Stats?
I have an application team that is insisting on daily (and for some, weekly)...
how can i tell if our db2 driver is ms or ibm or other?
i see this in the definition of a linked server on our wh sql...
Question of the Day
A Strange Result
What does this code return in SSMS 20 from SQL Server 2019?
select '|' + CHAR(0)+'abc' + '|';See possible answers