The data dictionary may be a stand-alone system or an integral part of the DBMS. Data integrity and accuracy is better ensured in the latter case. See DBMS and data administration .

A "data dictionary" is data about data. It is what defines the items in your database(s) and can be looked to for definitions, structures, use, allowable content, and sometimes business rules ...

A data dictionary is like a bill of materials for a database; it lists all database components, including reports, tables, field names and field types. Such information helps audit databases for ...