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AWS Services Using SQL for Big Data Analysis

AWS offers a robust suite of tools designed to manage big data effectively. This article explores focusses on how SQL is leveraged within Amazon Redshift and Amazon Athena. We will delve into the technical features, practical applications, and step-by-step examples for using these services, highlighting how they can transform raw data into actionable insights for your business.

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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