Logical Database Design A foreign key is which of the following? An attribute that serves as the primary key of another relation An attribute that serves no purpose Any attribute The same thing as a primary key An attribute that serves as the primary key of another relation An attribute that serves no purpose Any attribute The same thing as a primary key ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A composite attribute does not get mapped into a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A synonym is two or more attributes that have different names but the same meaning. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design In a 1:M relationship, the primary key on the one side migrates to the many side to become the foreign key on the many side. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key may be null. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a binary many-to-many relationship into a relation which of the following is true? Two relations are created. Three relations are created. Four relations are created. One relation is created. Two relations are created. Three relations are created. Four relations are created. One relation is created. ANSWER DOWNLOAD EXAMIANS APP
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