Logical Database Design A relation has which of the following properties? Attributes can have the same name within a given table. Each row is not unique. Each relation has a unique name. The order of the columns is significant. Attributes can have the same name within a given table. Each row is not unique. Each relation has a unique name. The order of the columns is significant. 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? 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. Three relations are created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design When mapping a regular entity into a relation which of the following is true? 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. Three relations are created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The relational model consists of: data in the form of tables. data redundancy. unorganized data. operations using non-SQL languages. data in the form of tables. data redundancy. unorganized data. operations using non-SQL languages. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A foreign key may be null and still adhere to the referential integrity constraint. False True False True ANSWER DOWNLOAD EXAMIANS APP
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
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