Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? Database applications DBMS Users COBOL programs Database applications DBMS Users COBOL programs ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the columns are sometimes called "attributes". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "fields". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
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? Subtype entity Supertype entity Archetype entity Instance entity Subtype entity Supertype entity Archetype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database? FMS EMMS DASD DBMS None of these FMS EMMS DASD DBMS None of these ANSWER DOWNLOAD EXAMIANS APP