Examlex
In a sequential file,the records are stored in sequence according to primary key.
Consent
Permission for something to happen or agreement to do something, often given after receiving full information about it.
Social Networking Sites
Online platforms that enable users to create a public profile, interact with real-life friends and people, and share content and activities.
Virtual Communities
Online platforms or groups where individuals with common interests or goals interact, share information, and communicate.
Viruses
Malicious software programs designed to infiltrate and damage computers, networks, or other digital devices.
Q11: A data warehouse of limited scope and
Q12: The natural join is very rarely used.
Q27: Explain what the Star schema is.
Q36: In file-processing systems,any change in the file
Q68: The degree of a relationship is the
Q69: Discuss the various relational keys.
Q82: Which of the following factors drive the
Q86: A device that manages file operations and
Q96: A _ dependency is a functional dependency
Q99: Conformance means that:<br>A) data have been transformed.<br>B)