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What types of adjustments are required to increase chances of inheritance.
a) Some attributes can be added or ignored in the base class operation
b) Some changes can be made in derived class from abstract class.
c) If an operation is not required by few classes in a group, then could it be
declared as no-operation.
d) Similar attributes can be combined in the abstract base class.
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
What is completeness constraint on generalization? Define the variation between total and partial design constraint. Give an example each. Ans: Completeness Constraints
WHAT IS DSS? WRITE ITS REQUIREMENTS.
a) Distinguish between ‘database' and ‘Database Management Systems (DBMS)'. b) List and briefly describe five potential benefits of the database approach compared to conventio
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What are the function of DBA?
normal forms
(a) Design a query plan for the following distributed query: An application at site B wants to compute a join of STUDENT ? Id=StudId TRANSCRIPT where STUDENT (Id,Major) is at site
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