Logical Database Design Well-structured relations encourage anomalies of data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a regular entity into a relation which of the following is true? Four relations are created. Three relations are created. Two relations are created. One relation is created. Four relations are created. Three relations are created. Two relations are created. One relation is created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The relational model consists of: data redundancy. operations using non-SQL languages. data in the form of tables. unorganized data. data redundancy. operations using non-SQL languages. data in the form of tables. unorganized data. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A relation has which of the following properties? The order of the columns is significant. Attributes can have the same name within a given table. Each relation has a unique name. Each row is not unique. The order of the columns is significant. Attributes can have the same name within a given table. Each relation has a unique name. Each row is not unique. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A null value is assigned when no other value applies. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design If no multivalued attributes exist and no partial dependencies exist in a relation, then the relation is in what normal form? First normal form Fourth normal form Third normal form Second normal form First normal form Fourth normal form Third normal form Second normal form ANSWER DOWNLOAD EXAMIANS APP