DBMS最常见的做法是将数据库以文件的形式存储在磁盘上。有些 DBMS 可能使用一组文件来存储数据库,有些 DBMS 可能只使用单个文件。 从操作系统的角度来看,一个文件就是一个字节流序列,操作系统并不关心和了解文件的内容以及文件之间的关联性。数据库文件的内容只有创建它的 DBMS 才知道如何解读,因为它是由 DBMS 以...
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What is a DBMS: A database-management system (DBMS) is a collection of interrelated data and a set of programs to access those data. The collection of data, usually referred to as the database, contains information relevant to an enterprise. 1.1 Database-System Applications 这一节比较简单,...
DatabaseManagementSystem(DBMS) DatabaseSystemConcepts-6thEdition1.2©Silberschatz,KorthandSudar UniversityDatabaseExample nApplicationprogramexamples lAddnewstudents,instructors,andcourses lRegisterstudentsforcourses,andgenerateclassrosters lAssigngradestostudents,computegradepointaverages (GPA)andgeneratetranscripts ...
Chapter1:IntroductionDatabaseManagementSystem(DBMS)DBMScontainsinformationaboutaparticularenterpriseCollectionofinterrelateddataSetofprogramstoaccessthedataAnenvironmentthatisbothconvenientandefficienttouseDatabaseApplications:Banking:transactionsAirlines:reservations,schedulesUniversities:registration,gradesSales:customers,products...
Silberschatz, Korth and Sudarshan 1.* Database System Concepts - 6th Edition Database System Concepts, 6th Ed. ?Silberschatz, Korth and Sudarshan See for conditions on re-use Chapter 1: Introduction Database Management System (DBMS) DBMS contains information about a particular enterprise Collection ...
While it is important to learn and apply good database design, it is also important to have an adequate knowledge of using a suitable database management system (DBMS) to implement these principles. This book provides a good overview of designing databases in terms of the principles involved ...
This article provides a brief overview of databases — what they are, why you might want to use one, and what the different parts of a database do. The terminology is geared toward MicrosoftAccess databases, but the concepts apply to all database products. ...
DB-Engines is an initiative to collect and present information on database management systems (DBMS). In addition to established relational DBMS, systems and concepts of the growing NoSQL area are emphasized. The DB-Engines Ranking is a list of DBMS ranked by their current popularity. The lis...
HenryF.Korth.,etc.Itisaverywell-usedbookinDatabaseteachingintheuniversityeducationoverthewholeworld.Itis6theditionnow.Thisbookwillpresentthefundamentalconceptsofdatabase management,includingtheaspectsofdatabasedesign,databaselanguageanddatabasesystemimplementation.Thereareadvancedmaterialthatcanbeusedforcourse...