Data Models into Database Designs In a 1:1 relationship, the primary key placement is arbitrary. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs All primary keys are required. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following situation requires the use of ID-dependent entities? Multivalued attributes only Association relationships only All of these Archetype/instance relationships only Multivalued attributes only Association relationships only All of these Archetype/instance relationships only ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible sets of minimum cardinalities are there? Four Two Six Three Four Two Six Three ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Intersection tables are ID-dependent on both their parent tables. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value. a surrogate key a foreign key any alternate key the primary key a surrogate key a foreign key any alternate key the primary key ANSWER DOWNLOAD EXAMIANS APP
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