Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . an application program described self-describing metadata compatible an application program described self-describing metadata compatible ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS what files are in the database what these files contain what attribute are possessed by the data All of the listed here what files are in the database what these files contain what attribute are possessed by the data All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): identifier. relationship. entity. attribute. identifier. relationship. entity. attribute. 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 None of these DASD DBMS EMMS FMS None of these DASD DBMS EMMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to create a database user? MK USER All of the listed here ADD USER TO DATABASE CREATE USER MK USER All of the listed here ADD USER TO DATABASE CREATE USER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT UNIQUE None of these SELECT DISTINCT All of these SELECT DIFFERENT SELECT UNIQUE None of these SELECT DISTINCT All of these SELECT DIFFERENT ANSWER DOWNLOAD EXAMIANS APP
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