Setting the Sample Rate for Auto Stats updates
SQL Server functionality can move on pretty quickly sometimes, and it’s not always all about the big features but the...
2017-09-12
2,348 reads
Matthew McGiffen DBA
Viewing the Statistics Objects Used to Create an Execution Plan
A while ago now I was running some Performance Tuning workshops and was asked how you can find out which Statistics...
2017-09-01
431 reads
SQL Puzzle 3: Knights and Queens
I thought I’d do another chess puzzle this month. This one is a variant on the Eight Queens problem:
SQL Puzzle...
2017-09-01 (first published: 2017-08-22)
2,350 reads
Automatic Sample Sizes for Statistics Updates
I mentioned in my previous post about manually updating statistics that you can specify whether they’re updated using a full...
2017-08-23 (first published: 2017-08-15)
1,505 reads
How to be a bad interviewer
In the monthly SQL blogging party that is T-SQL Tuesday (brainchild of Adam Machanic), Kendra Little has invited us this...
2017-08-08
1,435 reads
Manually updating Statistics
Even though SQL Server automatically updates statistics in the background for you, you may find there are times when you...
2017-08-01
2,449 reads
Statistics and the Ascending Key Problem
I’ve mentioned previously how not having up to date statistics can cause problems in query performance. This post looks at...
2017-08-09 (first published: 2017-07-25)
7,758 reads
SQL Server Agent and Daylight Saving time
There was a bit of chat today on the SQL Community slack about UTC and Daylight Saving Time. It reminded...
2017-08-07 (first published: 2017-07-19)
2,557 reads
SQL Puzzle 2: Eight Queens
This puzzle was first proposed in 1848 by a composer of chess puzzles called Max Bezzel and has since spawned...
2017-08-04 (first published: 2017-07-19)
2,209 reads
Think twice before using table variables
T-SQL Tuesday
For T-SQL Tuesday this month Raul Gonzalez has asked us all to blog about lessons learnt the hard way:
http://www.sqldoubleg.com/2017/07/03/tsql2sday-92-lessons-learned-the-hard-way/
My...
2017-07-24 (first published: 2017-07-11)
9,356 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