Introduction to Database System A scheme describes records and files None of these All of these record relationships data elements records and files None of these All of these record relationships data elements ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Table is synonymous with the term: column. relation. record. field. column. relation. record. field. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? DROP INDEX ROLL BACK INDEX DELETE INDEX REMOVE INDEX DROP INDEX ROLL BACK INDEX DELETE INDEX REMOVE INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: A → C is a determinant. (A,B) is a composite determinant. B → A → C is a determinant. (A,B) is a composite determinant. B → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add new rows to a table? ADD ROW INSERT ALTER TABLE APPEND ADD ROW INSERT ALTER TABLE APPEND ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is controlling the input of each input clerk dividing documents to be entered into batches comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system All of these None of these controlling the input of each input clerk dividing documents to be entered into batches comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system All of these None of these ANSWER DOWNLOAD EXAMIANS APP