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Constraints in DBMS MCQ with Answers

Constraints in DBMS Multiple Choice Questions (MCQ) to practice constraints in dbms quiz answers PDF, constraints in data sciencems worksheets for online degrees. Solve database design and er model Multiple Choice Questions and Answers (MCQs), "Constraints in DBMS Quiz Questions" and answers for online computer science schools. Learn constraints in dbms, entity relationship diagrams, specialization test prep for online computer science engineering.

"Mapping cardinalities are useful in describing" Multiple Choice Questions (MCQ) on constraints in dbms with choices unary relationships, binary relationships, composite relationships, and simple relationships for online computer science schools. Solve constraints in dbms quiz questions for merit scholarship test and certificate programs for online college courses.

MCQs on Constraints in DBMS


Mapping cardinalities are useful in describing

Unary relationships
Binary relationships
Composite relationships
Simple relationships


The mapping cardinalities can be of type

2 types
3 types
4 types
5 types


The appropriate mapping cardinality for a particular relationship set depends on



The structure of the primary key for the relationship set depends on the

Entity sets
Mapping cardinalities
Mapping expression


An entity set E in a relationship set R is said to be total if every entity in E participates in

At least one relationship in R
All relationships in R
None relationship in R
Few relationship in R