Database Systems MCQs – Practice Test 7 (Chapter 4)

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Database Design and ER Model Quiz – Practice Test 7 PDF Download

MCQ 31: The implementation process of the database proceeds in:

One final design phase
Two final design phases
Three final design phases
Four final design phases

MCQ 32: In an E-R diagram, the symbol that represents relationship sets, is:

Undivided rectangle
Diamond
Rectangles divided into two parts
Triangle

MCQ 33: Association of a weak entity set with another entity set is known to be:

Identifying
Existence
Discriminator
Publicator

MCQ 34: When an entity in set A is associated with at most one entity in set B, the cardinality is of type:

One-to-one
One-to-many
Many-to-one
Many-to-many

MCQ 35: When an entity in set A is associated with any number of entities in set B, the cardinality is of type:

All-to-all
One-to-many
One-to-one
Many-to-many

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