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online eductional management system ke diagram
Differentiate between horizontal & mixed horizontal fragmentation?
What is Oracle Process? Explain any four processes started by Oracle. Oracle Process is as follows: SMON: The System Monitor carries out a crash recovery while a crashed in
Describe Specialsation and generalization? Specialisation /generalization: This is a top down and bottom up approach to the design of database. It displays the IS_A relation
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pictori
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
Consider the table student and list names of students in the departments other than maths and computer. SELECT std_name FRM student WHERE dept_name NOT IN (‘Maths','Computer);
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
a brief definition
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