Optional Parameters Causing Index Scans
Optional parameters in a stored procedure often lead to scans in the execution plan, reading through the entire table, even...
2014-04-15
737 reads
Optional parameters in a stored procedure often lead to scans in the execution plan, reading through the entire table, even...
2014-04-15
737 reads
Many people see CXPACKET at the top of their waits and start trying to fix it. I know this topic’s...
2014-03-11
1,616 reads
My company cut the training budget this year, and it’s not that uncommon for that to happen anymore. However, I’m...
2014-03-04
1,083 reads
DBAs are the gatekeepers, but if we make it an unpleasant process then people will find a way around the...
2014-02-13
488 reads
Chances are you have extra information in the buffer pool for a bad query and it’s dragging down your PLE,...
2014-01-08
2,029 reads
First, lets understand what the types of indexes are. If you take a reference book, you have the two types...
2013-11-20
1,685 reads
I started a new job a month ago, but didn’t want to just figure things out as they came to...
2013-10-08
842 reads
Fires, SAN failures, tornados, and car accidents all came up today, yet it was a very good day at work. ...
2013-10-04 (first published: 2013-09-30)
2,170 reads
Here’s my full presentation for SQL Saturday #250 in Pittsburgh this past Saturday along with some notes on what I...
2013-09-20
949 reads
Trending database and table sizes helps give you an idea of what to expect, and, sometimes, points out problems and...
2013-09-11 (first published: 2013-09-10)
4,094 reads
By gbargsley
One of the first things I review when I inherit a new SQL Server...
By Arun Sirpal
It’s 07:43. Someone’s already left a message. “Something’s wrong with the DB server.” You...
By davebem
I’ve had a Dropbox account for years. Like a lot of people, I started...
Comments posted to this topic are about the item Follow Your Hunch
Comments posted to this topic are about the item What Happens When You Ask...
Comments posted to this topic are about the item Detecting Characters
I have a SQL Server 2022 English default installation on a server. I want to detect if there are any upper case characters in rows and I have this code:
SELECT CustomerNameID,
CustomerName
FROM dbo.CustomerName
WHERE CustomerName = LOWER(CustomerName)
Here is the sample data I am testing with:
CustomerNameID CustomerName 1 John Smith 2 Sarah Johnson 3 MICHAEL WILLIAMS 4 JENNIFER BROWN 5 david jones 6 emily davis 7 Robert Miller 8 LISA WILSON 9 christopher moore 10 Amanda TaylorHow many rows are returned? See possible answers