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Memory diagram

SQL Engine basics: Caching data

SQL Server engine does an excellent job to optimize query performance and it has different methods to achieve this goal, one of these methods is the data caching.Data caching...

2019-07-16 (first published: )

1,115 reads

Person Stirring Coffee with a Spoon

Weekly reading #21

Hello, hello! We have just started new week! We missed the weekly reading last time due to travelling across the Europe over the weekend. There is however a lot...

2019-07-15

38 reads

Blogs

Where Is My SQL Agent? Running Scheduled Jobs Against Azure SQL Database

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One of the first things I review when I inherit a new SQL Server...

AgentDBA vs Critical SQL Server

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It’s 07:43. Someone’s already left a message. “Something’s wrong with the DB server.” You...

Finally Cleaning Up Dropbox: Moving Almost a TB to Google Drive with rclone

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I’ve had a Dropbox account for years. Like a lot of people, I started...

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Stan Phone Number Australia +61-1800868603 Quick Help Guide

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Question of the Day

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 Taylor
How many rows are returned?

See possible answers