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 When mapping a supertype/subtype relationship which of the following is true? There is no primary key/foreign key relationship between a supertype/subtype. There is no link between the supertype/subtype entities. The supertype primary key is assigned to each subtype. The subtype primary key is assigned to each supertype. There is no primary key/foreign key relationship between a supertype/subtype. There is no link between the supertype/subtype entities. The supertype primary key is assigned to each subtype. The subtype primary key is assigned to each supertype. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a many-to-many unary relationship into a relation which of the following is true? 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. Three 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. True False True False 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. Two relations are created. Four relations are created. One relation is created. Three relations are created. Two relations are created. Four relations are created. One relation is created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Well-structured relations encourage anomalies of data. True False True False ANSWER DOWNLOAD EXAMIANS APP
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