Database of practical tutorials answer (third edition) Chapters 1 and 2 1.1 Glossary: ◆ DB: database (Database), DB is a collection of unified management of data. DB can be shared for a variety of users with minimal redundancy, the data closely and have a higher data independence. ◆ the DBMS: database management system (Database Management System), the DBMS is located in the layer between the user and operating system data management software, provides access to the DB for the user or application, including the establishment of the DB, query, update, and a variety of data control. DBMS is always based on a data model, can be divided into hierarchical, network, relational, object-oriented, the DBMS.

Database of practical tutorials answer (third edition).doc

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