MIST 4610 Question and answers 100% correct 2024 MIST 4610
In a 1:1 recursive relationship, a "unique" constraint needs to be added to the newly created foreign key - correct answer True
When you give a table a new name (to join it on itself) it is called ____ - correct answer an alias
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MIST 4610
In a 1:1 recursive relationship, a "unique" constraint needs to be added to the
newly created foreign key - correct answer ✔True
When you give a table a new name (to join it on itself) it is called ____ -
correct answer ✔an alias
recursive relationship - correct answer ✔Relationship exists between
occurrences of the same entity set
Identifying relationship - correct answer ✔A relationship that exists when the
related entities are existence-dependent. Also called a strong relationship or
strong identifying relationship because the dependent entity's primary key
contains the primary key of the parent entity.
composite primary key - correct answer ✔consists of the primary key fields
from the two intersecting relations
non-identifying relationship - correct answer ✔A relationship that occurs
when the primary key of the dependent (many side) entity does not contain
the primary key of the related parent entity. Also known as a weak
relationship.
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