All important aspects of the runtime behavior of NHibernate are configurable by one of the methods described in detail later on in this chapter.
This is probably the single most important aspect of our configuration. We have to tell NHibernate what database product we are going to use, such as SQL Server, Oracle, DB/2, MySQL, and so on. As there is no such thing as a "default database", we always have to provide these details in our configuration.
Besides the diversity of database products, each database product is also available in different versions, such as SQL Server 2000, 2005, or 2008, or Oracle 9i, 10i, or 11g, and so on.
Furthermore, we need to authenticate ourselves when accessing ...