SQL, which stands for Structured Query Language, is a standardized programming language used for managing and manipulating relational databases. It allows users to interact with databases, perform ...

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 ...

Databases are about more than columns and rows. Whatever type of business you're running, you'll likely need a way to house data you've collected and, whether it's a simple mailing list or an ...