Logical Database Design A transitive dependency is which of the following? A functional dependency between two or more nonkey attributes. A relation that is in second normal form. A functional dependency between two or more key attributes. A relation that is in first normal form. A functional dependency between two or more nonkey attributes. A relation that is in second normal form. A functional dependency between two or more key attributes. A relation that is in first normal form. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a regular entity into a relation which of the following is true? Three relations are created. One relation is created. Two relations are created. Four relations are created. Three relations are created. One relation is created. Two relations are created. Four relations are created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Weak entities do not get mapped into a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key is which of the following? An attribute that uniquely identifies each row Any attribute An attribute that uniquely identifies each column A derived attribute An attribute that uniquely identifies each row Any attribute An attribute that uniquely identifies each column A derived attribute ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a multivalued attribute into a relation which of the following is true? 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. Two relations are created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A synonym is two or more attributes that have different names but the same meaning. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS