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What is extension and intension?
Answer:
The description of data base is called in tension or database schema,which is specified during database design and is not expected to change frequently.
The actual data in a database may change quite frequently.The data in a database at a particular moment in time is called a extension or database state or snapshot.
Source:- Extension and intension
Asked In ::
Mritunjay
23 Dec, 2019 1:47 PM
Extension : It is the number of tuples present in a table at any instance. This is time dependent.
Intension : It is a constant value that gives the name, structure of the table and the constraints laid on it.
Intension : It is a constant value that gives the name, structure of the table and the constraints laid on it.
Dinkey
23 Dec, 2019 1:48 PM
The description of data base is called in tension or database schema,which is specified during database design and is not expected to change frequently.
The actual data in a database may change quite frequently.The data in a database at a particular moment in time is called a extension or database state or snapshot.
Source:- Extension and intension
