This section presents tutorials about the following database query languages:
- Transact-SQL, the SQL version used with Microsoft SQL Server and some other databases.
It also presents tutorials about the following database systems:
- PostgreSQL, a popular open-source database system
- Microsoft SQL Server and in particular LocalDB. LocalDB is typically used as a local test database when developing database applications.
And it also presents tutorials about frameworks that can be used to work with databases such as: