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SQL Foreign Key Mapper is a Python script designed to extract foreign key relationships from a SQL dump file and generate SQL queries to add foreign key constraints between related tables. The script ...
Real-world relational databases have tables that contain fields, constraints, and triggers, and tables are related through foreign keys. SQL is used to declare the data to be returned, and a SQL ...
If you are working with SQL DB2, you may need to create tables that have primary and foreign keys to enforce data integrity and establish relationships between different entities.
Foreign keys and their implementation are more complex than primary keys. Techopedia Explains Foreign Key. While a primary key may exist on its own, a foreign key must always reference to a primary ...