The DNA category covers all the technologies involved in building applications in a Windows environment. There is a strong web emphasis here, but Wrox books in this category also cover non-Microsoft technologies that come under the DNA umbrella - such as XML - and database technologies like SQL Server and Access. This tree shows the database section of the DNA technology world.SQL Server ms now first choice for the developer wanting a more powerful, reliable and sophisticated database than MS Access can provide. Microsoft is actively encouraging a growing number of users onto the SQL platform, by making it cheaply available. The new release, SQL 2000, is tightly integrated with Windows 2000, offering more support for XML and much improved OLAP (Online Analytical Processing) services.