In SQL Server 2017, automatic plan correction was added, which allows for the database engine to automatically use the "last known good plan" for a query that has suddenly regressed in performance.

Structured Query Language (SQL) is a powerful and essential tool for working with relational databases. Whether you’re a beginner or looking to enhance your SQL skills, ChatGPT can be a valuable ...

Dynamic SQL lets you create a query string based off of user input. SQL Server allows you to create dynamic SQL statements. The statements use a SQL string varchar data type, then you execute the ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

We’ll use this ASP.NET Core 7 Web API project to work with EF Core query types in the subsequent sections of this article. Working with query types in ASP.NET Core 7 Let’s start by creating ...

Joey on SQL Server. A Deep Dive into SQL Server 2022's Query Performance Features, Part 1. An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to ...

This SQL feature allows you to query within a result set, creatively limit your result set, or correlate your results with an otherwise unrelated query in a single call to the database.

SQL (Structured Query Language) is a programming language used to communicate with and manipulate databases. Learn its history and when to use it.