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What Is Key And Types Of Key? [Solved]
A key refers to an attribute/a set of attributes that help us identify a row (or tuple) uniquely in a table (or relation) .Keys are of seven broad types in DBMS:Candidate Key.Primary Key.Foreign Key.Super Key.Alternate Key.Composite Key.Unique Key.
Super Key | Candidate Key | Primary Key | Types of keys in DBMS
In this lecture, I have described all
Key and Types of Key in Hindi || Sunk key and saddle key
Shaft
Types of Keys in Database |Primary Key |Candidate Key |Super Key |Surrogate Key| Natural Key
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