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Fundmental of db by Ramez elmasry

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Chapter 2 Database System Concepts and Architecture
Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Data Models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Data Models (continued) ,[object Object],[object Object],[object Object]
Categories of Data Models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Schemas versus Instances ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Schemas versus Instances ,[object Object],[object Object],[object Object],[object Object]
Database Schema vs. Database State ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Database Schema vs. Database State (continued) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Example of a Database Schema
Example of a database state
Three-Schema Architecture ,[object Object],[object Object],[object Object],[object Object]
Three-Schema Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The three-schema architecture
Three-Schema Architecture ,[object Object],[object Object],[object Object]
Data Independence ,[object Object],[object Object],[object Object],[object Object],[object Object]
Data Independence (continued) ,[object Object],[object Object],[object Object]
DBMS Languages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DBMS Languages ,[object Object],[object Object],[object Object],[object Object],[object Object]
DBMS Languages ,[object Object],[object Object],[object Object],[object Object],[object Object]
Types of DML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DBMS Interfaces ,[object Object],[object Object],[object Object],[object Object],[object Object]
DBMS Programming Language Interfaces ,[object Object],[object Object],[object Object],[object Object]
User-Friendly DBMS Interfaces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Other DBMS Interfaces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Database System Utilities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Other Tools ,[object Object],[object Object],[object Object],[object Object]
Other Tools ,[object Object],[object Object],[object Object],[object Object],[object Object]
Typical DBMS Component Modules
Centralized and Client-Server DBMS Architectures ,[object Object],[object Object],[object Object]
A Physical Centralized Architecture
Basic 2-tier Client-Server Architectures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Logical two-tier client server architecture
Clients ,[object Object],[object Object],[object Object],[object Object]
DBMS Server ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Two Tier Client-Server Architecture ,[object Object],[object Object],[object Object]
Three Tier Client-Server Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Three-tier client-server architecture
Classification of DBMSs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Variations of Distributed DBMSs (DDBMSs) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Cost considerations for DBMSs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
History of Data Models ,[object Object],[object Object],[object Object],[object Object],[object Object]
History of Data Models ,[object Object],[object Object],[object Object],[object Object]
Example of Network Model Schema
Network Model ,[object Object],[object Object],[object Object],[object Object],[object Object]
Network Model ,[object Object],[object Object],[object Object],[object Object]
History of Data Models ,[object Object],[object Object],[object Object],[object Object],[object Object]
Hierarchical Model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
History of Data Models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
History of Data Models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
History of Data Models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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