How to Choose Attributes for Composite Key?
- Make sure that each record has a unique identification by combining specific attributes.
- Keep the attributes ridiculously low to have a full-fledge property.
- Determine the characters that change minimally to ensure consistent data.
Composite Key in Database
A database is a structured collection of data organized and stored electronically in a computer system. It is designed to efficiently manage, retrieve, and manipulate large volumes of data according to specific requirements and criteria.
In a relational database, the key plays an important role. The key is used to identify a record or a tuple of the table uniquely. Keys are also used to establish and identify the relationships between the tables.
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