Introduction to Database System In a relation, the columns are sometimes called "attributes". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. Fields Records Database File structure Fields Records Database File structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is All of these Look-up Modify Insert None of these All of these Look-up Modify Insert None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form can be used to format printed output All of these None of these delete records modify records format printed output All of these None of these delete records modify records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file contains only a list of keys and record numbers None of these is sorted in ascending order has a number assigned to each record both (b) and (c) contains only a list of keys and record numbers None of these is sorted in ascending order has a number assigned to each record both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: attributes. entities. identifiers. relationships. attributes. entities. identifiers. relationships. ANSWER DOWNLOAD EXAMIANS APP