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PART MARKING: We will only mark TWO of the four questions below but you must submit answers to all four. We will choose the questions we mark randomly and we will supply you with
WHAT IS DSS? WRITE ITS REQUIREMENTS.
What is an object design? Object design is a very interactive method, which decides the relationship among objects, classifies operations on classes, determines overall system
#explain five disadvantages of a dbms..
How does Tuple-oriented relational calculus vary from domain-oriented relational calculus? The tuple-oriented calculus uses a tuple variables i.e., variable whose only allowed
Write a query to define tables students and teachers as sub tables of people? Create table students of student under people Create table teachers of teacher under people
courier company er-diagram
Java program for horrizontal fragmentation in distributed database
Explain natural join? Natural Join - Similar as equi-join except in which the join attributes (having similar names) are not involved in the resulting relation. Only one sets
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
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