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Question 1: (a) Explain the legal meaning of :- (i) Computer Service Person (ii) Data holding (b) Explain how the law ensures Data protection and Security. Qu
A table joined with itself is called ? A table joined with itself is known as self join table. Normal 0 false false false EN-IN X-NONE X-NONE
what is Mapping Constraints? with examples
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
Design a gennalization and specialization hierarchy for an automobile sales company
Explain the shadow paging recovery technique. Ans: Shadow paging is a method used to acquire atomic and durable transactions, and provides the capability to manipulate pages i
What are the advantages of creating a table from existing table?
What is a candidate key? Minimal super keys are known as candidate keys.
What is substitutability? Any method of a class-say A can equally well be adjured with any object belonging to any subclasses B of A. This characteristic leads to code reuse, a
examples of fields in a database
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