Which type of file contains all the attributes for an entity as well as a primary key and several secondary keys?
A) a transaction file
B) a relational file
C) a master file
D) a keyed index file

Question

Quizplus · Accepted Answer

A master file contains all the attributes for an entity, and also includes primary and secondary keys used for data retrieval and organization. Transaction files are used to record specific events or transactions, while keyed index files are used for quick data retrieval based on a specific key. Relational files are a type of database organization that uses multiple tables to store and link data.

Which Type of File Contains All the Attributes for an Entity