Logical Database Design The relational model consists of: data in the form of tables. operations using non-SQL languages. unorganized data. data redundancy. data in the form of tables. operations using non-SQL languages. unorganized data. data redundancy. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A composite attribute does not get mapped into a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Normalization is a formal process for deciding which attributes should be grouped together in a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Well-structured relations encourage anomalies of data. False True False True 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 link between the supertype/subtype entities. The supertype primary key is assigned to each subtype. There is no primary key/foreign key relationship between a supertype/subtype. The subtype primary key is assigned to each supertype. There is no link between the supertype/subtype entities. The supertype primary key is assigned to each subtype. There is no primary key/foreign key relationship between a supertype/subtype. 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
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