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Consider the join of a relation R with relation S. If R has m tuples and S has n tuples, then the maximum size of join is: If R has m tuples and S has n tuples then maximum siz

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Relational Algebra is a set of basic operations used to influence the data in relational model. These operations allow the user to specify basic retrieval request. The result of re

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List the internal controls that should be in effect solely because a EDP system is employed, classifing them as (1) Those controls pertaining to input of information and (2) All ot

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You are required to implement integrity constraints within the database to enforce the following requirements:  For Projects: Start date must be supplied. Start date cannot be i

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What is indexed sequential file organization? What are the applications of this organization?  Ans: An index file can be employed to effectively overcome the problem of storing

Fragmentation, let us consider a table having 2200 records and the fixed si...

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Data modelling, Law Associates is a large legal practice based in Sydney.  ...

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