Keep It Simple Stupid
Some of us take days and weeks to write a blog, while others can take two minutes and write a great blog *cough* *cough* Denny (B|T). Why is that?...
2019-07-24
43 reads
Monica Rathbun
- Website: https://www.sqlespresso.com
Understanding Columnstore Indexes in SQL Server Part 1
Recently I reviewed filtered indexes, this time let’s look at columnstore indexes. These indexes are very useful for data warehouse workloads and large tables. They can improve query performance...
2019-07-11 (first published: 2019-06-26)
1,294 reads
Comparing Execution Plans
When you run a query twice, and get dramatically different run times, your first step can be to try to identify the differences in execution plans. For many that...
2019-07-05 (first published: 2019-06-19)
940 reads
Filtered Index Basics
In this post, we continue with another beginner’s blog of database features that may be unknown to many. Let’s take a look at filtered indexes. Many database administrators are...
2019-06-10 (first published: 2019-05-22)
780 reads
DMV’s for the Beginner
I give performance presentations at many different events to all levels of SQL Server professionals. Over time I’ve noticed that some DBAs and developers have never looked at the...
2019-05-29 (first published: 2019-05-15)
2,122 reads
What is Implicit Conversion?
Another quick post of simple changes you can make to your code to create more optimal execution plans. This one is on implicit conversions. An implicit conversion is when...
2019-04-29 (first published: 2019-04-17)
1,164 reads
Join me for a PASS Summit Pre-Con
I am very excited to announce I will be delivering a pre-conference session on SQL Server Performance Tuning on November 5th at PASS Summit 2019. If you have ever...
2019-04-24
96 reads
What’s a Key Lookup?
One of the easiest things to fix when performance tuning queries are Key Lookups or RID Lookups. The key lookup operator occurs when the query optimizer performs an index...
2019-04-17 (first published: 2019-04-03)
735 reads
Women in Tech Talk Tech
March is Women’s History Month, to celebrate the PASS Women in Technology Virtual Group (@PASS_WIT) held a webcast featuring prominent...
2019-04-09 (first published: 2019-03-20)
1,043 reads
Enable Mail Profile – Back to Basics
I’ve seen many people go through the trouble of setting up database mail and configuring SQL Agent Alerts only to...
2019-03-13
283 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