Introduction to Database System Keys made up of two or more attributes are called composite keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? COBOL programs DBMS Users Database applications COBOL programs DBMS Users Database applications ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema All of these describes how data is actually stored on disk is the entire database is a standard way of organizing information into accessible parts None of these All of these describes how data is actually stored on disk is the entire database is a standard way of organizing information into accessible parts None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: fourth normal form. domain/key normal form. third normal form. second normal form. fourth normal form. domain/key normal form. third normal form. second normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains All of these the data types of all fields in all files the widths of all fields in all files the names of all fields in all files None of these All of these the data types of all fields in all files the widths of all fields in all files the names of all fields in all files None of these ANSWER DOWNLOAD EXAMIANS APP
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