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What is the use of group by clause? Group by clause is used to apply aggregate functions to a set of tuples. The attributes given in the group by clause are used to
Which operator is used to compare a value to a list of literals values that have been specified? BETWEEN operator is used to compare a value to a list of literals values that h
What are aggregate functions? And list the aggregate functions supported by SQL? Aggregate functions are functions that take a collection of values as input and return a one va
Entity types that do not have any key attribute, and therefore cannot be identified independently, are known as weak entity types. A weak entity can be recognized uniquely only by
explain the steps for reduction of er model into relational model?
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
job scheduling for different cubes
What are the advantages of embedded query language? Give an example of an embedded SQL query. Embedded query language - SQL could be implemented within two ways. It can be us
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
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