Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . described self-describing metadata compatible an application program described self-describing metadata compatible an application program ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? The columns must be ordered. All of the entries in any column must be of the same kind. The cells of the table must contain a single value. No two rows in a table may be identical. The columns must be ordered. All of the entries in any column must be of the same kind. The cells of the table must contain a single value. No two rows in a table may be identical. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Database applications are seldom intended for use by a single user. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. Hierarchical Network Relational Object-Oriented None of these Hierarchical Network Relational Object-Oriented None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file contains several records. What does each record contain? Bytes Fields Database Words Bytes Fields Database Words ANSWER DOWNLOAD EXAMIANS APP