2: Don't use a DB. Use human-readable text files For even faster prototyping -- maybe better called experiments -- skip the text files and do everything in mem

2: Don't use a DB. Use human-readable text files For even faster prototyping -- maybe better called experiments -- skip the text files and do everything in memory. Just use the built-in collection types of the programming language. In Python for example, that would be lists, dictionaries, tuples etc, then you can simulate database queries with set comprehension expressions.