Constraints in SQL Questions and Answers PDF Download eBook
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Quiz on Constraints in SQL PDF Download eBook
MCQ: The constraints that are applied on individual tuples and are verified whenever any tuple is modified or new tuple is inserted are called
- language based constraints
- tuple based constraints
- scale based constraints
- precision based constraints
B
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
- LEFT OUTER JOIN
- FULL OUTER JOIN
- HALF OUTER JOIN
- DOWNWARD JOIN
B
MCQ: The kind of class whose entities belongs to some other data class is called
- concrete classes
- abstract classes
- leaf node classes
- template classes
A
MCQ: The storage capacity of computer system is measured in
- mega bytes
- kilo bytes
- tera bytes
- all of above
B
MCQ: The compiler which pull out the commands written in host programming language from application program is classified as
- graphic compiler
- host compiler
- precompiled
- interface compiler
C