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Composite Key in dbms | What is Composite Key in Database Management System(dbms) with example
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Also known as compound key
Composite Key in dbms | What is Composite Key in Database Management System(dbms) with example
Topic cover in this video:-
COMPOSITE KEY:-
A 'combination of two or more' better describes the word 'composite'. Thus, a composite key in DBMS is a candidate key that is composed of two or more attributes and is capable of uniquely identifying record(row) in a table(relation).
A key that has more than one attributes is known as composite key. It is also known as Compound Key.
Any key such as super key, primary key, candidate key etc. can be called composite key if it has more than one attributes.
Time Stamp
----------------------------------------------------
0:00 Introduction
0:28 What is Composite Key
02:25 Example of Composite Key
04:48 Composition of Composite Key
06:10 Exercise
Also known as compound key
Composite Key in dbms | What is Composite Key in Database Management System(dbms) with example
Topic cover in this video:-
COMPOSITE KEY:-
A 'combination of two or more' better describes the word 'composite'. Thus, a composite key in DBMS is a candidate key that is composed of two or more attributes and is capable of uniquely identifying record(row) in a table(relation).
A key that has more than one attributes is known as composite key. It is also known as Compound Key.
Any key such as super key, primary key, candidate key etc. can be called composite key if it has more than one attributes.
Time Stamp
----------------------------------------------------
0:00 Introduction
0:28 What is Composite Key
02:25 Example of Composite Key
04:48 Composition of Composite Key
06:10 Exercise
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