I am going start a series of articles describing how information is stored and organized in a Microsoft SQL Server database. Today, I am going to talk about the File Header Page. Every database is defined by at least two file types. The first file type is one primary (*.mdf) data file with zero or more optional secondary (*.ndf) data files. The second file type are log (*.ldf) files. We will be looking at the primary data file during these talks. All of the information is a gleamed from SQL…