This is a dedicated watch page for a single video.
SQL stands for Structured Query Language, and is used to communicate with a relational database. It's the standard language for relational database management systems. SQL statements are used to perform tasks such as update data in a database, or retrieve data from a database. Some common relational database management systems that use SQL include Microsoft SQL Server, MySQL, PostgreSQL, MariaDB, and Oracle. Which SQL operation is used to combine the content of two tables based on a shared column?