T-SQL Fundamentals

Master Transact-SQL's fundamentals, and write correct, robust code for querying and modifying data with modern Microsoft data technologies, including SQL Server 2022, Azure SQL Database, and Azure SQL Managed Instance.

• Printed book:
  • US
• Kindle book:
  • US

SQL Logic

In this article, I will discuss the history and thinking behind several types of logic that are typically associated with writing relational database code.

The Phoenix Project

In this newly updated and expanded edition of the bestselling The Phoenix Project, co-author Gene Kim includes a new afterword and a deeper delve into the Three Ways as described in The DevOps Handbook.

• Printed book:
  • US
• Kindle book:
  • US

Does Your GROUP BY Order Matter?

Sometimes when you do GROUP BY, the order of the columns does matter. For example, these two SELECT queries produce different results:

Kubernetes For Complete Beginners

Container orchestration has become a cornerstone of modern application deployment. For beginners stepping into the world of modern application deployment and orchestration, understanding the essence and significance of Kubernetes is essential.

Learn T-SQL Querying

Troubleshoot query performance issues, identify anti-patterns in your code, and write efficient T-SQL queries with this guide for T-SQL developers

• Printed book:
  • US
• Kindle book:
  • US

Pagination and ordering by large values

Pagination is a technique for limiting output. Think of Google search results, shopping the electronics category on Amazon, or browsing tagged questions on Stack Overflow. Nobody could consume all of the results in a single shot, and no site wants to spend the resources required to present them all to us

Get the most out of SQL Server Agent logs

If you haven’t migrated your workloads to a managed database platform yet, you’re probably still relying on SQL Server Agent for various maintenance and other scheduled tasks. Most of the time, these processes just work. But when it’s time to troubleshoot, it can be cumbersome to get to the root of some problems.

Finding Sister Locations to Help Each Other: Answers & Discussion

This week’s query exercise asked you to find two kinds of locations in the Stack Overflow database.

Department of Redundancy Department

Ever wonder all the reasons that we use databases instead of file systems? While we don’t think of it too much anymore, the first reason that databases came into existence was to remove redundancies.