What are the best practices for using composite keys in databases?
An example of an AI chatbot conversation about best practices for composite keys in databases.
What are the best practices for using composite keys in databases?
When using composite keys, it's important to ensure that the combination of fields is unique and stable. Avoid using fields that are likely to change.
Can you give me an example of a composite key?
Sure! A common example is a combination of 'OrderID' and 'ProductID' in an order details table, where each order can have multiple products.
What are the advantages of using composite keys?
Composite keys can help maintain data integrity and enforce uniqueness across multiple columns, which is useful in complex relationships.
Are there any downsides to using composite keys?
Yes, composite keys can complicate queries and indexing, and they may lead to larger indexes, which can impact performance.
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