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What is called bit-level striping?
Data striping having of splitting the bits of every byte across multiple disks. This is known as bit-level striping.
A set of possible data values is called? A set of possible data values is called as domain.
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
What is known as fudge factor? The number of partitions is enhanced by a small value called the fudge factor, which is usually 20 percent of the number of hash partitions compu
Define Query by Example QBE is a query language relies upon domain calculus and has two dimensional syntax. The queries are written in the horizontal and vertical dimensions of
explain normalization,and give the examples 1NF,2NF,3NF,BCNF.AND FUNCTIONAL DEPANDENACY AND DECOMPOSITION TECHNIQUES.
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
what is RDBMS? how it works? good example.
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draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
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