Does that mean PostgreSQL will provide better performance for systems that weigh heavy on the database? Think in terms of, large amounts of tables, dynamic generation of tables and/or cols, large amounts of data in general...
Does PostgreSQL allow to store arrays in a database? I tend to work on applications that have rather complex data formats and sometimes its handy to apply a degree of abstraction to make it all nicely accessible. I suppose I could dump JSON data into the database if i want to store array structures, but if PostgreSQL supports arrays it'd mean i wouldnt need to use a JSON parser in my php.

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