Q. In relational calculus, the expression which guarantees finite number of tuples is classified as

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Q. The data structure in the form of tree to correspond to relational algebra expression is classified as

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Q. The types of relational calculi includes

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Q. If the duplicate relations will not be eliminated, the resultant tuples will be multiset of tuples rather than

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Q. The SELECT operation is performed on

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Q. The selection condition of SELECT operator is considered as

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Q. The type of JOIN operation through which one can keep all tuples in relations without considering corresponding tuples in any other relation is classified as

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Q. The process in which tuple is created by having combined attributes from two relations is classified as

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Q. Consider two tuples B and C, the operation whose result includes tuples that are included in both relations or either in B or C is classified as

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Q. In relational operations, the SELECT operation is written as

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Q. The nodes which represents queries in the relations are classified as

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Q. In unary relational operations, the symbol π is used to represent the operation called

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Q. The relational calculus is classified as

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Q. The kind of operation which is used to extend the traditional projection operation by including projection attributes in projection list is called

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Q. The expression of generalized projection can be written as

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Q. The expression which specifies the procedure to retrieve rather than retrieval content is classified as

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Q. In a query tree, the input relations of query are classified as

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Q. With the help of selection condition, the fraction of selected tuples is classified as

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Q. The most convenient operation which is used for the queries having universal quantification is classified as

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Q. Find the ID, name, dept name, salary for instructors whose salary is greater than $80,000 .

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