9 Databases

9.1 Flat-file Databases

In a flat-file database there is no way to link information stored in separate files. They can be useful for storing lists of data.

9.1.1 Creating A Database File

Before data can be stored in the database, the structure must be created.

The following must be specified:

• the order of the fields
• the name of the fields
• the type of data in each field
• the primary key

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