Introduction to Database System A top-to-bottom relationship among the items in a database is established by a Hierarchical schema All of the listed here Relational schema Network schema Hierarchical schema All of the listed here Relational schema Network schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows All of these SELECT DIFFERENT SELECT UNIQUE None of these SELECT DISTINCT All of these SELECT DIFFERENT SELECT UNIQUE None of these SELECT DISTINCT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has a built-in capability to create, process and administer itself. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The designer of a form includes filed designators data prompts both (a) and (b) None of these filed designators data prompts both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is made up a several pieces of information is a combination of each unique key uniquely identifies an item in a list both (a) and (b) None of these is made up a several pieces of information is a combination of each unique key uniquely identifies an item in a list both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? The columns must be ordered. No two rows in a table may be identical. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. The columns must be ordered. No two rows in a table may be identical. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. ANSWER DOWNLOAD EXAMIANS APP