Normalized data giving you problems? Learn how to use the SQL subselect statement and handle your database like a pro!

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.

Discover how to effectively learn SQL using ChatGPT, a powerful language model. Level up your SQL skills today!

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

Want faster SQL queries? Here are nine best practices for writing SQL queries that work like a charm (or at least, like they should).

SQL, or the structured query language, is a specialized programming language designed for working with databases. There are a few different variations of SQL from different organizations and ...

How to Use SQL Statements in MS Excel. With most Excel spreadsheets, you enter data manually into cells and then use formulas or other functions to analyze it or perform calculations. If you have ...

JSON and Entity Framework As a general remark, the JSON support in SQL Server 2016 is primarily exposed through the T-SQL syntax, as tooling is quite limited now. In particular, EF doesn't currently ...

One of the most common problems when running SQL Servers is slow queries. The help desk or database team usually hears that described as the application is slow or the database is slow. In the ...

The four are significant SQL query systems for Hadoop, but far more SQL-for-Hadoop technology is out there, and they’re built to satisfy different needs and use cases, from the esoteric to the ...