精选优质文档-倾情为你奉上1.DBMS:A database-management system (DBMS) is a collection of interrelated data and a set of programs to access those data.2.Schema:The overall design of the database is called the database schema.3.Instance:The collection of information stored in the database at a particular moment is called an instance of the database.4.Data model:a collection of conceptual tools for describing data,data relationships,data semantics,and consistency constraints.5.Domain:For each attri
