Constraints in DBMS Practice Test PDF Download eBook p. 144
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Trivia Quiz on Constraints in DBMS PDF Download eBook
MCQ: When an entity in set B is associated with at most one entity in set A, the cardinality is of type
- One-to-many
- One-to-one
- Many-to-many
- All-to-all
B
MCQ: For a referential-integrity constraint to make sense, the primary key must be compatible sets of
- Tuples
- Relation
- Instances
- Attributes
D
MCQ: Declaring an attribute to be of a particular domain acts as a
- Constraint
- Definition
- Assert
- Reference
A
MCQ: Query languages used in practice includes
- Elements
- Fields
- Instances
- Tuples
A
MCQ: For the elimination of duplicates, we use the keyword DISTINCT after the clause
- Select
- From
- Where
- IN
A