Logical Database Design If a relation is in third normal form, it does not need to be in second normal form. True False True False 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 A relation has which of the following properties? Attributes can have the same name within a given table. Each relation has a unique name. The order of the columns is significant. Each row is not unique. Attributes can have the same name within a given table. Each relation has a unique name. The order of the columns is significant. Each row is not unique. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A synonym is two or more attributes that have different names but the same meaning. 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? 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 The relational model consists of: 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. data redundancy. ANSWER DOWNLOAD EXAMIANS APP