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What is candidate key?
Candidate Key - A candidate key of an entity set is a minimal superkey, which uniquely identifies each row in the relation.
What is DBMS and what are functions of DBMS? DBMS consist of collection of integrated data and set of program to admission those data. The functions performed by a typical
How does the system cope up with a record crash when recovery is going on after the first crash? Ans: In a system the undo and redo operations are needed to be idempotent to c
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Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
Determine the Objectives of object oriented design provide an overview of object oriented design; partitioning system to subsystems; describe how a software desig
Eliminate Columns Not Dependent On Key The Employee Relation satisfies - First normal form - As it has no repeating groups. Second normal form - As it do not have multi-a
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
need a DBMS system on any data for assignment.
What are the DBMS languages? Explain. Ans: a) Data Definition Languages (DDL): It is employed to specify database schema for example CREATE DROP statements etc. b) Dat
explain various steps uses in evaluation and maintenance of MIS.
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