Database Systems Practice Test 362

Integrity Constraints MCQ (Multiple Choice Questions) PDF - 362

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Integrity Constraints Questions and Answers PDF Download: Quiz 362

MCQ 1806: The constraint specification would be checked at the end of a transaction, and at

A) Initially

B) Not at Immediate steps

C) Before transaction's start

D) Meanwhile transaction

MCQ 1807: The data models in which the individual data items of same type may have different sets of attributes, is known as

A) Object-based Data model

B) Semi-structured data model

C) Entity relationship data model

D) Relational data model

MCQ 1808: The operational form of writing the clauses are

A) from, then select, and then where

B) Select, then from, and then where

C) Select, then where, and then from

D) from, then where, and then select

MCQ 1809: The A2 search algorithm does an

A) Equality comparison

B) Inequality comparison

C) No comparison

D) Nonkey comparison

MCQ 1810: When an entity in B, can be associated with any number of entities in A, the cardinality is said to be of type

A) One-to-one

B) One-to-many

C) Many-to-one

D) Many-to-many

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