Answer:
Option 4(relational) is the correct answer for the above question.
Explanation:
A database is the collection of data which store the data in the form of tables. So it is also said to the collection of tables. If any database has multiple tables then they form the relation on them. So it is called a relational database that stores the data in the form of relation.
The above question wants to ask about the database which is a collection of tables and store the data in the form of a relationship which is a relational database. So the option 4 is correct while the other is not because--