tables, Database Management System

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does tables are called relations

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Define Network DBMS The NDBMS is built primarily on a one-to-many relationship, but where a parent-child representation between the data items cannot be ensured. This may occur

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ALTER TABLE Command : This command is used for variation of existing structure of the table in the given situation: When a new column is to be added to the table structure.

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Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database

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What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.

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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

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