Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Supertype entity Archetype entity Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? removing flagged records for deletion monitoring performance creating and maintaining the data dictionary creating the physical and logical designs None of these removing flagged records for deletion monitoring performance creating and maintaining the data dictionary creating the physical and logical designs None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: change the theme. split the relation into two relations, each with a single theme. add a composite key. create a new theme. change the theme. split the relation into two relations, each with a single theme. add a composite key. create a new theme. 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. Records Database File structure Fields Records Database File structure Fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form can be used to format printed output delete records All of these modify records None of these format printed output delete records All of these modify records None of these ANSWER DOWNLOAD EXAMIANS APP