Introduction to Database System The relational database model was created by E.F. Codd. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? DELETE INDEX REMOVE INDEX ROLL BACK INDEX DROP INDEX DELETE INDEX REMOVE INDEX ROLL BACK INDEX DROP INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the DBM approach, application programs perform the processing functions access control all of the listed here storage function processing functions access control all of the listed here storage function ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: relationships. entities. attributes. identifiers. relationships. entities. attributes. identifiers. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP