Types of Keys in Database
- Primary Key
- Candidate Key
- Super Key
- Foreign Key
- Alternate Key
- Composite Key
- Artificial Key
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.
Contact Us