Individually, or more commonly as part of a web development project, we work with SQL Server database.
SQL Server is an industrial strength database by Microsoft capable of "mission-critical" applications. The good news for you if you're only looking for a small website, is that a SQL Server development works wonderfully for all sizes, due to its scalability.
For more technical people:
Our SQL Server Development skills include:
SQL Server Management Studio (SSMS) for 2005/2008 versions
Enterprise Manager for 2000 version
Database backup
Database design
Manual SQL coding
Table creation/modification
Stored Procedures
Indexes
Triggers
Please ask if there is something you need which is missing from the list.