Logical Database Design The primary key in a relation does not need to be underlined. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design If a relation is in third normal form, it does not need to be in second normal form. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a multivalued attribute into a relation which of the following is true? Two relations are created. Four relations are created. Three relations are created. One relation is created. Two relations are created. Four relations are created. Three relations are created. One relation is created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Weak entities do not get mapped into a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a supertype/subtype relationship which of the following is true? The subtype primary key is assigned to each supertype. There is no primary key/foreign key relationship between a supertype/subtype. There is no link between the supertype/subtype entities. The supertype primary key is assigned to each subtype. The subtype primary key is assigned to each supertype. There is no primary key/foreign key relationship between a supertype/subtype. There is no link between the supertype/subtype entities. The supertype primary key is assigned to each subtype. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key may be null. False True False True ANSWER DOWNLOAD EXAMIANS APP
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