Microsoft has just added support for query hints to Azure SQL Database, giving database administrators a powerful tool to manage the performance of ISV application code. Here's how it works.

Encounter common SQL errors or issues and ask ChatGPT for guidance on troubleshooting and debugging your queries. Learn effective strategies to identify and resolve problems in your SQL code.

In addition to using subselects to examine data in related tables, it’s also possible to use an aggregate function in a WHERE clause subselect to make a determination about the primary result set.