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Database Systems Practice Test 165

Nested Subqueries Quiz Questions and Answers PDF - 165

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The Quiz: In a set, the NOT IN connective tests for the; "Nested Subqueries" App Download (Free) with answers absence of set differences, set differences, data set membership and absence of set membership for database administrator certification. Solve introduction to sql questions and answers, Amazon eBook to download free sample for software engineering online courses.

Nested Subqueries Questions and Answers PDF Download: Quiz 165

MCQ 821: In a set, the NOT IN connective tests for the

A) Set differences
B) Absence of set differences
C) Data set membership
D) Absence of set membership

MCQ 822: Users describe the kinds of operations that will be performed on the data, on the specification of

A) Data Requirements
B) Data Gathering
C) Procedural Requirements
D) Functional requirements

MCQ 823: To count the number of tuples in a relation, the aggregate function to be used is

A) Avg
B) Min
C) Count
D) Sum

MCQ 824: A special case of multisets, which have only one copy of each element, is known to be

A) Sets
B) Elements
C) Associator
D) Aggregator

MCQ 825: In entity relationship model, the basic objects are known as

A) Instances
B) Entries
C) Nodes
D) Entities

Database Systems Exam Prep Tests

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Nested Subqueries App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

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Computer Networks App (Android & iOS)

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Digital Logic Design App (Android & iOS)