SQLAlchemy Association Tables | Python Central
Learn how to handle many-to-many relationships in database design with an example of creating a database for a university about students. Information can be arranged in relations in a way that gives rise to various relationships, both within columns of a single relation and between columns of. Creating an association will add a foreign key constraint to the attributes. All associations use CASCADE on update and SET NULL on delete, except for n:m, .
SQLite Foreign Key Support
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