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

Applications that use the Jakarta Persistence API shouldn’t embed too much raw SQL in their code. However, when you need an SQL query for performance reasons or to access the database in a way that ...

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 ...

Joey on SQL Server How To Automate Tasks in Azure SQL Database Knowing how to automate tasks in the cloud will make you a more productive DBA.

Learn how to install and configure SQL Server Management Studio, download a SQL Server, and connect them on a Windows 11/10/Server computer..

In SQL Server, the database can be stored in different files and filegroups. If your database is small (100 MB or less), you do not need to worry too much about files and filegroups. But if you have a ...

How to Find All Scheduled Jobs in SQL. Microsoft's SQL Server database software includes a job scheduling system which lets you perform routine business activities such as reporting and database ...

SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them.