Database Systems Practice Test 89

Constraints in DBMS Quiz Questions and Answers PDF - 89

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The Quiz: When an entity in set A is associated with any number of entities in set B, the cardinality is of type; "Constraints in DBMS" App Download (Free) with answers one-to-many, all-to-all, one-to-one and many-to-many for master degree in computer science. Solve database design and er model questions and answers, Amazon eBook to download free sample for BSc computer science.

Constraints in DBMS Questions and Answers PDF Download: Quiz 89

MCQ 441: When an entity in set A is associated with any number of entities in set B, the cardinality is of type

A) All-to-all

B) One-to-many

C) One-to-one

D) Many-to-many

MCQ 442: Assertion have special form known to be

A) Domain constraints

B) Referential integrity constraints

C) Both A and B

D) Isolation constraint

MCQ 443: A single transaction failure may result into a set of transaction rollbacks, is known to be

A) Iterated rollback

B) Cascadeless rollback

C) Cascading rollback

D) Serial rollback

MCQ 444: A model that uses a collection of basic objects, and relationships among these objects, is known as

A) Relational model

B) Entity relationship model

C) Object-based Data model

D) Semi-structured data model

MCQ 445: An unordered set of attribute values is named as

A) Tuples

B) Entities

C) Nodes

D) Instances

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