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Maximum cardinality in an E-R diagram refers to the maximum number of relati

Maximum cardinality in an E-R diagram refers to ________.

A) the maximum number of relationships possible in a diagram

B) the maximum number of entities that can be involved in a relationship

C) the maximum number of constraints possible for a particular relationship

D) the maximum number of attributes an entity can have

13) The process of converting poorly structured tables into two or more well-structured tables is referred to as ________.

A) replication

B) duplication

C) actualization

D) normalization

14) Database practitioners classify tables into various ________ according to the kind of problems they have.

A) entities

B) data models

C) normal forms

D) attributes

15) Normalized tables eliminate ________.

A) database design

B) data duplication

C) data entry

D) data conversion

16) The general goal of normalization is to ________.

A) create a copy of an existing table

B) construct tables such that every table has a similar topic

C) convert two or more tables into a single table

D) construct tables such that every table has a single topic

17) The easiest time to change the database structure is ________.

A) during the data modeling stage

B) after constructing the database

C) during the data designing stage

D) after creating the application programs

Dec 07 2019 View more View Less

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