Introduction to Database System A functional dependency is a relationship between or among: relations. attributes. tables. rows. relations. attributes. tables. rows. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains the widths of all fields in all files None of these All of these the names of all fields in all files the data types of all fields in all files the widths of all fields in all files None of these All of these the names of all fields in all files the data types of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Supertype entity Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When you have finished entering information into a form All of the listed here the template is written to the data file the contents of the form are written to the data file the contents of the form can be printed All of the listed here the template is written to the data file the contents of the form are written to the data file the contents of the form can be printed ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the language used by most of the DBMSs for helping their users to access data? SQL 4GL Query language High level language SQL 4GL Query language High level language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation has cells that hold multi-value entries. True False True False ANSWER DOWNLOAD EXAMIANS APP