Data Models into Database Designs When the parent entity is required, a new parent row can always be inserted. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The identifier of an entity will become the ________ of the new table. main attribute identity key foreign key primary key main attribute identity key foreign key primary key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When transforming an entity-relationship model into a relational database design, each entity is represented as a table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In 1:N relationships, which entity becomes the parent entity is arbitrary. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? None of these MUST NOT Both of the above MUST COVER None of these MUST NOT Both of the above MUST COVER ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A primary key should be defined as: None of these Either of the above can be used. NULL. NOT NULL. None of these Either of the above can be used. NULL. NOT NULL. ANSWER DOWNLOAD EXAMIANS APP
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