Logical Database Design A composite attribute does not get mapped into a relation. 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? Two relations are created. One relation is created. Three relations are created. Four relations are created. Two relations are created. One relation is created. Three relations are created. Four relations are created. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A foreign key is which of the following? Any attribute An attribute that serves no purpose An attribute that serves as the primary key of another relation The same thing as a primary key Any attribute An attribute that serves no purpose An attribute that serves as the primary key of another relation The same thing as a primary key 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 Relations are: four-dimensional tables. two-dimensional tables. three-dimensional tables. five-dimensional tables. four-dimensional tables. two-dimensional tables. three-dimensional tables. five-dimensional tables. ANSWER DOWNLOAD EXAMIANS APP
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
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