Model from which the schema is generated.
Create the schema of a given Pluf_Model for a given database.
createTables() : mixed
Create the tables and indexes for the current model.
If the model is a mapped model ($model->_a['mapped'] == true) then only tables for its many to many relations will be created and table for the model will not be created.
A mapped model is a model which have not a separate table. In other word, a mapped model is a specific view to another model and is not a real model.
A mapped model may defines some new many to many relations which was not defined in the main model.
True if success or database error.