What are different types of keys in Database?

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.