Data Structures and Algorithms Question Bank with Answers Pdf - 3

Question: 11

What is a relative file organization?

It is a file organization technique that supports access directly to records by a key field.

Question: 12

What is a database management system?

It is software that provides an interface between programs and file systems, with responsibility of defining, representing, storing, organizing, and protecting data, as well as for interfacing users and programs with the database.

Question: 13

What is a triangular array/matrix?

It is an array in which all elements either above or below the diagonal has value zero.

Question: 14

What is secondary key?

In a multi-key file, any key except the primary key.

Question: 15

What is a record key?

It is a primary or secondary key.