Introduction to Database System All instances of an entity class have the same attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is dividing documents to be entered into batches None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system All of these controlling the input of each input clerk dividing documents to be entered into batches None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system All of these controlling the input of each input clerk ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT DISTINCT SUB FROM BOOK All of these None of these SELECT ALL FROM BOOK SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these None of these SELECT ALL FROM BOOK SELECT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, GRANT command is used to grant system privileges, roles, and object privileges to uses and roles None of the listed here allow user to create databases allow user to access databases grant system privileges, roles, and object privileges to uses and roles None of the listed here allow user to create databases allow user to access databases ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . an archetype entity an instance entity itself a subtype entity an archetype entity an instance entity itself a subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a Hierarchical schema Relational schema All of the listed here Network schema Hierarchical schema Relational schema All of the listed here Network schema ANSWER DOWNLOAD EXAMIANS APP