3. Getting Started

3 Getting Started

This section introduces Mnesia with an example database. This example is referenced in the following sections, where the example is modified to illustrate various program constructs. This section illustrates the following mandatory procedures through examples:

• Starting the Erlang session.
• Specifying the Mnesia directory where the database is to be stored.
• Initializing a new database schema with an attribute that specifies on which node, or nodes, that database is to operate.
• Starting Mnesia.
• Creating and populating the database tables.

3.1 Starting Mnesia for the First Time

This section provides a simplified demonstration of a Mnesia system startup. The dialogue from the Erlang shell is as follows:

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