Introduction to Database System Composite identifiers consist of two or more attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It will be the dominant data base of the future It is a physical representation of the data It is conceptually simple It allows a many-to-many relationship It will be the dominant data base of the future It is a physical representation of the data It is conceptually simple It allows a many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is None of these All of these 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 controlling the input of each input clerk None of these All of these 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 controlling the input of each input clerk ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of a list of keys pointers to the master list both (a) and (b) None of these All of these a list of keys pointers to the master list both (a) and (b) None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? MODIFY TABLE DEFINE TABLE all of the listed here ALTER TABLE MODIFY TABLE DEFINE TABLE all of the listed here ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? complex logical relationships tables treelike structure records complex logical relationships tables treelike structure records ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS