What are the key benefits of database relationships?
Database relationships help maintain data integrity, reduce redundancy, and improve query performance.
Can you explain how normalization relates to database relationships?
Normalization organizes data to minimize redundancy, which is crucial for establishing effective relationships.
What types of relationships exist in databases?
There are three main types: one-to-one, one-to-many, and many-to-many relationships.
How do foreign keys work in these relationships?
Foreign keys link tables together, enforcing referential integrity by ensuring that a value in one table corresponds to a valid entry in another.
What are some common mistakes to avoid with database relationships?
Common mistakes include neglecting normalization, creating unnecessary relationships, and failing to enforce referential integrity.
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