《二零一六数据库系统原理(英文)-1-13》.pdf
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Chapter 1
Introduction
Main Parts in This Chapter
� Database System Applications
� Purpose of Database Systems
� View of Data
� Database Languages
� Relational Database
� Database Design
� Data Storage and Querying
� Transaction Management
� Database Architectures
� Database Users and Administrators
� History of Database Systems
� Appendix: Data, Information, Knowledge, etc.
February 2013 Database System Concepts- Chapter1 Introduction - 2
§1.0 DB, DBMS, DBS, DBAS
� Definitions in the textbook
� )
)
Database (DB
))
— a collection of interrelated data, stored in systems as files
� Database management system (DBMS)
— DB, or a collection of interrelated data
— set of programs to access the data in DB
� Database system (DBS)
� having the same definition as DBMS in the textbook
� the term DBS and DBMS are used interchangeably in the
textbook
February 2013 Database System Concepts- Chapter1 Introduction - 3
§1.0 DB, DBMS, DBS(cont.)
� DBMS provides an environment that is both convenient and
efficient
for store and retrieve information
� definition of structures for storage of information
� data manipulation mechanisms
� data safety mechanisms
� Definitions in some other textbooks
� Fig. 1.0.1
� )
)
Database(DB
))
— a collection of interrelated data , stored in systems as files
February 2013 Database System Concepts- Chapter1 Introduction - 4
§1.0 DB, DBMS, DBS(cont.)
� Definitions in som
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