and communications, including the emergence of the Internet(因特网), electronic commerce(电子商务), business intelligence(商务智能), mobile communications(移动通信), and grid computing(网格计算).The database system is arguably
Database Design and Implementation - A practical introduction using Oracle SQLHoward Gould
DesignofanE-RDatabaseSchema ReductionofanE-RSchematoTables Chapter1:Introduction PART1DATAMODELS Chapter2:Entity-RelationshipModel Chapter3:RelationalModel PART2RELATIONALDATABASES Chapter4:SQL Chapter5:OtherRelationalLanguages Chapter6:IntegrityandSecurity ...
after an application queries a table, the database may use an index to find the requested rows, read the data into memory, and perform many other steps before returning a result to the user. The RDBMS stores and retrieves data so that physical operations are transparent to database applicati...
结构化查询语言Introduction to SQL (1).ppt,Introduction to SQL Part III COSC 3480 Teaching Plan Part SQL in 45 Minutes (Chapter 5) Relational Algebra (Chapter 4.2) More on SQL (Chapter 5) Example Instances We will use these instances of the Sailors and Re
An Introduction to Database System CONTENTS PART Ⅰ CHAPTER 1 Introduction 1.1Brief introduction to database system 1.1.1Data,database,database management system, database system 1.1.3Generation and development of Database Management Technology 1.1.3Characteristic of database system 1.2Data ...
第一章：绪论(Introduction)第二章：关系数据库(RelationalDatabase)第三章：关系数据库标准语言SQL(StructuredQueryLanguage)第四章：数据库安全性(DatabaseSafety)第五章：数据库完整性(DatabaseIntegrity)设计篇 第六章：关系数据理论(RelationalTheory)系统篇第七章：数据库设计(DatabaseDesign)第八章：关系系统及其...
Gain an Introduction to Relational Databases in SQL. You will acquire essential skills from creating your first database to running ad hoc analyses on it.
This chapter provides an overview of the Oracle database server. The topics include:Oracle Database Architecture Oracle Database Features Oracle Database Application Development Note: This book contains information relating to both Oracle Database Standard Edition and Oracle Database Enterprise Edition. ...
Azure Database for PostgreSQL is available in multiserver versions. As a database developer with many years experience of running and managing on-premises PostgreSQL installations, you want to explore how Azure Database for PostgreSQL supports and scales its features. In this u...