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.

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).

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 ...

Dino Esposito explains JSON-to-rowset native support in SQL Server 2016 and provides a realistic perspective of data query when you have JSON data stored in the database.

Two caveats: First, even if you’re working with SQL Server 2016, your database’s compatibility level must be set to 130 or higher to use these features. You can view your database’s compatibility ...

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 ...

SQL and the Web Many popular websites are backed by SQL databases, which they use to pull user-specific data and data responsive to particular user queries as people navigate their sites.