Data Models into Database Designs When the parent entity is required, a new child row can always be inserted. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is: used to define data types. used to define null status. a column containing the primary key of another table. All of these used to define data types. used to define null status. a column containing the primary key of another table. All of these ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In 1:N relationships, which entity becomes the parent entity is arbitrary. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following situation requires the use of ID-dependent entities? Archetype/instance relationships only Association relationships only All of these Multivalued attributes only Archetype/instance relationships only Association relationships only All of these Multivalued attributes only ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required and the parent has a surrogate key, update actions can be ignored. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible referential integrity actions. True False True False ANSWER DOWNLOAD EXAMIANS APP
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