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Answer» There are SEVEN types of database keys:- - Super Key:- This key recognizes the row in the table.
- Primary Key:-This key is a column in the table which recognizes each row in the same table uniquely.
- Candidate Key:-This key does not have any repeated attribute.
- Alternate Key:- the -The key which is not primary is CALLED Alternate Key.
- Foreign Key:-This key a column in the table to create a relationship with ANOTHER table.
- Compound Key:-This key has various fields which allow the USER to identify a particular record uniquely.
- Composite Key:-This multiple key attributes to identify the rows uniquely.
- Surrogate Key:-This is an artificial key finds each of the records uniquely.
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