Logical Database Design The primary key of the new relation in a many-to-many relationship is a composite key comprised of the primary keys of each of the binary entities. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Well-structured relations encourage anomalies of data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a ternary relationship with an associative entity into a relation which of the following is true? 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. Two relations are created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Normalization is a formal process for deciding which attributes should be grouped together in a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A foreign key is which of the following? An attribute that serves as the primary key of another relation Any attribute An attribute that serves no purpose The same thing as a primary key An attribute that serves as the primary key of another relation Any attribute An attribute that serves no purpose The same thing as a primary key ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A primary key is which of the following? An attribute that uniquely identifies each column An attribute that uniquely identifies each row A derived attribute Any attribute An attribute that uniquely identifies each column An attribute that uniquely identifies each row A derived attribute Any attribute ANSWER DOWNLOAD EXAMIANS APP
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