2022-10-24
608 reads
delete
Can you prevent deletes and inserts without a WHERE clause from running?
Erik writes a script to do what it says on the tin.
2018-01-01
4,692 reads
Differences between Delete and Truncate in SQL Server
Atul Gaikwad details the differences between DELETE and TRUNCATE, including how they vary in terms of being rolled back.
2016-05-18
4,518 reads
Hidden Tricks To SQL Server Table Cleanup
How to delete millions of rows with virtually no contention.
2015-09-04 (first published: 2013-03-06)
28,421 reads
Automated Trigger To Require a WHERE Clause
Learn how you can build triggers that prevent an update or delete statement from being run without a WHERE clause in this article.
2013-08-09 (first published: 2011-01-25)
16,962 reads
Delete records in all related tables
Used to generate Select/Delete scripts. It does NOT run them.
You need to copy the output of this script to a new window and run it manually.
2008-08-06
611 reads
The Difference between Truncate and Delete in SQL Server
This article explains the differences between the Truncate and Delete commands in SQL Server.
2011-07-04 (first published: 2007-11-22)
37,263 reads
Blogs
The SUM of Nothing: #SQLNewBlogger
By Steve Jones
I caught this interesting item over on Pinal Dave’s blog: Eleven Interview Questions that...
How to Move the SSMS Status Bar to the Top and Color-Code SQL Server Connections
By Hemantgiri
I use color-coded connections in SSMS to distinguish Production, Pre-Production, UAT, and Development. But...
Forums
Split Large Queries in Athena with a Simple Modulo Trick
Comments posted to this topic are about the item Split Large Queries in Athena...
Finding Trailing Spaces
Comments posted to this topic are about the item Finding Trailing Spaces
Question of the Day
Finding Trailing Spaces
I have some data in a SQL Server 2025 database. It looks like this for the dbo.Customer table:
CustomerID CustomerName PreferredName 1 Steve Steve 2 Andy Andy 3 Brian Brian 4 Allan Allan 5 Devin Devin 6 Steve Steve 7 Sally SallyI want to detect which names have a single trailing space. The CustomerName is a varchar() and the PreferredName is a CHAR(). Does this query detect the problem rows?
SELECT
CustomerID,
CustomerName,
PreferredName
FROM Customer
WHERE CustomerName <> RTRIM(CustomerName)
OR PreferredName <> RTRIM(PreferredName); See possible answers