What is data dependency in databases?
An example of an AI chatbot conversation about data dependency in databases.
What is data dependency in databases?
Data dependency refers to the relationship between data elements in a database, where the value of one data element depends on another.
Can you give me an example of data dependency?
Sure! In a student database, if the 'Grade' field depends on the 'Score' field, that's a data dependency.
How does data dependency affect database design?
It influences normalization, ensuring that data is organized efficiently to reduce redundancy and improve integrity.
What are the types of data dependencies?
The main types include functional dependency, transitive dependency, and multivalued dependency.
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