Which feature is a component of a database application?

centralized data storage

increased data duplication

unlimited access to data

unique data for similar multiple applications

Answer

Unique data for similar multiple applications

Explanation:

we know that basic purpose of a database is to enter data and then retrieve that data information from a computerized database.

database's key feature is primary key which ensures that every entry in database is unique.

i. e primary key does not allow duplicate values to exist