Chapter 20Mnesia: The Erlang Database
Suppose you want to write a multiuser game, make a new website, or create an online payment system. You’ll probably need a database management system (DBMS).
Mnesia is a database written in Erlang for demanding telecommunications applications, and it is part of the standard Erlang distribution. It can be configured with RAM replicates on two physically separated nodes to provide a fast fault-tolerant data store. It provides transactions and comes with its own query language.
Mnesia is extremely fast, and it can store any type of Erlang data structure. It’s also highly configurable. Database tables can be stored in RAM (for speed) or on disk (for persistence), and the tables can be replicated on different ...
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