Introduction to Database System A relation is considered a: three-dimensional table. one-dimensional table. two-dimensional table. Column. three-dimensional table. one-dimensional table. two-dimensional table. Column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? tables complex logical relationships records treelike structure tables complex logical relationships records treelike structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of None of these pointers to the master list both (a) and (b) All of these a list of keys None of these pointers to the master list both (a) and (b) All of these a list of keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary doesn't provide information about: It will be the dominant data base of the future the size of the disk storage device It is conceptually simple It allows a many-to-many relationship where data is located It will be the dominant data base of the future the size of the disk storage device It is conceptually simple It allows a many-to-many relationship where data is located ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. True False True False ANSWER DOWNLOAD EXAMIANS APP