Q. In tuple relational calculus P1 → P2 is equivalent to

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Q. Relational Algebra is

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Q. _______ produces the relation that has attributes of R1 and R2.

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Q. Which of the following operation is used if we are interested in only certain columns of a table?

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Q. Which of the following operations need the participating relations to be union compatible?

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Q. The result of the UNION operation between R1 and R2 is a relation that includes

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Q. Using Relational Algebra the query that finds customers, who have a balance of over 1000 is

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Q. Cross Product is a:

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Q. 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:

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Q. The natural join is equal to :

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Q. In unary relational operations, the SELECT operation is partition of relation usually classified as

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Q. The operators in SELECT operation statement such as 'and' , 'or' and 'not' are classified as

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Q. If in the JOIN operation, the conditions of JOIN operation are not satisfied then the results of the operation is

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Q. Because of the calculus expression, the relational calculus is considered as

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Q. The DIVISION operation can be applied to two relations A and B such as R(A) ÷ R(B) where as

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Q. In the EQUIJOIN condition, the operation which is used to avoid superfluous attribute is classified as

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Q. The Boolean expression used in the SELECT operation consists of clauses such as

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Q. The types of binary operations includes

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Q. In the notation for query graphs, the double ovals or circles are used to represent

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Q. The operation which allows to process relationships from multiple relations rather than single relation is classified as

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