Free MCQsLearn App Download - Nested Subqueries Practice Test PDF Download eBook p. 165
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"In a set, the NOT IN connective tests for the", nested subqueries Multiple Choice Questions (MCQ) with choices absence of set differences, set differences, data set membership, and absence of set membership to study SQL certification courses. Learn introduction to sql questions and answers with free online certification courses for computer majors.
Trivia Quiz on Nested Subqueries PDF Download eBook
MCQ: In a set, the NOT IN connective tests for the
- Set differences
- Absence of set differences
- Data set membership
- Absence of set membership
D
MCQ: Users describe the kinds of operations that will be performed on the data, on the specification of
- Data Requirements
- Data Gathering
- Procedural Requirements
- Functional requirements
D
MCQ: To count the number of tuples in a relation, the aggregate function to be used is
- Avg
- Min
- Count
- Sum
C
MCQ: A special case of multisets, which have only one copy of each element, is known to be
- Sets
- Elements
- Associator
- Aggregator
A
MCQ: In entity relationship model, the basic objects are known as
- Instances
- Entries
- Nodes
- Entities
D