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What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
Create Student DB and perform delete operation? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, co
A step-wise distributed database design methodology Following is a step-wise methodology for distributed database design. (1) Examine the nature of distribution. Find out wh
What are the benefits of decomposing a system? The benefits of decomposing a system into subsystems are that after decomposition, each individual component become smaller and e
A software contract and consultancy firm maintains details of all the various projects in which its employees are currently involved. These details comprise: Employee Numbe
random file sharing
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
Attributes attached to an entity can be of various types. Simple The attribute that cannot be further separated into smaller parts and shows the basic meaning is known as a
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
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