Technical Article

Querying Multiple MySQL Tables

It’s been said that one of the drawbacks to normalization to the third form (3NF) is more cumbersome data extraction due to the greater number of tables. These require careful linking via JOIN clauses. Improper table joining can easily result in erroneous results or even in the dreaded Cartesian Product. In today’s article, Rob Gravelle explores how table joins are achieved in MySQL.

Blogs

T-SQL Snapshot Backups on Availability Group Secondary Replicas

By

One of my favourite features of SQL Server 2022 was the T-SQL Snapshot Backups....

The Book of Redgate: Hours

By

I have said and written this many times: Redgate Software is the type of...

How to Check TDE Progress and Elapsed Time in SQL Server

By

How to Check TDE Progress and Elapsed Time in SQL Server ...

Read the latest Blogs

Forums

AI Experience Gap that we keep talking about

By Pat Wright

Comments posted to this topic are about the item AI Experience Gap that we...

Squared Values

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Squared Values

I Don't Want To Do XX

By Steve Jones - SSC Editor

Comments posted to this topic are about the item I Don't Want To Do...

Visit the forum

Question of the Day

Squared Values

What happens when I run this code in SQL Server 2022?

SELECT SQUARE('12')

See possible answers