If you want your web-site to be able to store and retrieve data from a database, your web server should have access to a database-system that uses the SQL language.

The most common SQL hosting databases are listed like MS SQL Server, Oracle, MySQL, and MS Access.

MS SQL Server

Microsoft's SQL Server is a popular database software for database-driven web sites with high traffic.

Oracle

Oracle is also a popular database software for database-driven web sites with high traffic.