Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As tables both (a) and (b) relations tuple None of these tables both (a) and (b) relations tuple None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS what these files contain what attribute are possessed by the data what files are in the database All of the listed here what these files contain what attribute are possessed by the data what files are in the database All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? tables treelike structure records complex logical relationships tables treelike structure records complex logical relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. True False True False ANSWER DOWNLOAD EXAMIANS APP