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.

Query is a request for data. In this article we are going to explain how to create and modify query in Microsoft Access the easy way.

LibreOffice contains a very powerful database tool that is actually quite user friendly. Here's how to create a database query using the Design View tool.

Create a Form for a Query or Table, Edit & Delete Data, Navigate through Records, Add & delete Rows and Records in a Form in Access.

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

An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception.