Although this tutorial is about SQL Server, you may want to know about some of the other SQL-based relational database management systems. http://www.w3computing.com/sqlserver/comparison-oracle-db2-mysql-sql-server/
This tutorial describes the different types of Data Flow components and show you how to create your first transformation component using script. http://www.codebeach.com/tutorials/sql-server-integration-services-your-first-script-compo...
This article describes how date/time values are stored, how the database design can simplify (or complicate) data retrieval. http://www.codebeach.com/tutorials/murach-search-date-time-microsoft-sql-server.asp
SQL Server 2005 Express is much improved over its MSDE predecessor in that visual tools are provided along with the database engine. http://www.codebeach.com/tutorials/sql-server-2005-express-tools.asp