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Microsoft® SQL Server® 2008 Step by Step by Mike Hotek

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SQL Server Database Structure

The objects that are created within a database are collectively referred to as the database’s schema. The elements that define a database, the storage components, are referred to as the database structure. A SQL Server database is defined using one physical element, files on the operating system, and one logical element used to group files within a database. The basic structure of a database is shown in Figure 4-1.

Database structural elements

Figure 4-1. Database structural elements

Database Files

The most common file types supporting a SQL Server database are data files and a transaction log file. The default file extensions for data files are: ...

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