3 Common Foreign Key Mistakes (And How to Avoid Them)

The article discusses three common mistakes made with foreign keys in relational databases and provides advice on how to avoid them. These include mismatched data types, dangling foreign keys, and not creating foreign key indexes when adding foreign keys. Additionally, the author highlights the importance of using foreign keys instead of informal links between databases. Proper planning and consideration of potential issues can help prevent these mistakes from occurring.

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