Database Management System Practice Test 21

Constraints in SQL Quiz Answers PDF Download - 21

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Database Management System: Constraints in SQL MCQs Quiz PDF Download

MCQ: The constraints that are applied on individual tuples and are verified whenever any tuple is modified or new tuple is inserted are called

A) language based constraints

B) tuple based constraints

C) scale based constraints

D) precision based constraints

MCQ: If matching tuples are not found, the kind of OUTER JOIN operation which keeps all the tuples of first and second relation is classified as

A) LEFT OUTER JOIN

B) FULL OUTER JOIN

C) HALF OUTER JOIN

D) DOWNWARD JOIN

MCQ: The kind of class whose entities belongs to some other data class is called

A) concrete classes

B) abstract classes

C) leaf node classes

D) template classes

MCQ: The storage capacity of computer system is measured in

A) mega bytes

B) kilo bytes

C) tera bytes

D) all of above

MCQ: The compiler which pull out the commands written in host programming language from application program is classified as

A) graphic compiler

B) host compiler

C) precompiled

D) interface compiler

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