Database Systems Practice Test 178

Recursive Views MCQ (Multiple Choice Questions) PDF - 178

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The MCQs: Any recursive view must be defined as the union of subqueries of number; "Recursive Views" App Download (iOS & Android) Free with answers three, two, four and five for software engineering degrees. Practice advanced sql questions and answers, Google eBook to download free sample for online college classes.

Recursive Views Questions and Answers PDF Download: Quiz 178

MCQ 886: Any recursive view must be defined as the union of subqueries of number

A) Two

B) Three

C) Four

D) Five

MCQ 887: The associated number of parallel execution servers with a single operation is called its

A) Degree of parallelism

B) Degree of dependency

C) Degree of dimension

D) Degree of direction

MCQ 888: SQL allows subqueries wherever an expression returning a value is permitted, provided the subquery returns

A) Single attribute

B) One tuple

C) Single value

D) Both A and B

MCQ 889: A relation schema consists of a list of attributes and their corresponding

A) Variables

B) Instances

C) Domains

D) Tuples

MCQ 890: The relationship of specialization may also be known as a/an

A) Subclass-superclass relationship

B) Superclass-subclass relationship

C) Higher-level relationship

D) Lower-level relationship

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