#normalisation.., Database Management System

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define normalisation and functional dependency

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Difference between LEFT OUTER JOIN and RIGHT OUTER JOIN In left outer join tuples from the left-hand-side relation which do not match any tuple in the right-hand-side relation

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A domain is a set of permissible values that can be given to an attribute. So each attribute in a table has a definite domain. Values to these attributes cannot be assigned outside

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What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files

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What are the comparison operator in SQL?  Comparison operator in SQL are =, LIKE and BETWEEN

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Define Shared locks? Ans: Shared lock: Throughout concurrent execution of transactions, earlier than a transaction can access a data item, it has to obtain a lock on it. Now he

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Determine the rule that a value of a foreign key should appear as a value of some particular table is called a  Ans: Referential constraint.    The rule that a value of a fo

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