Database System Concepts 7th Edition PDF

Database System Concepts 7th Edition PDF

Download Database System Concepts PDF book free online, by Abraham Silberschatz and Hank Korth, is a classic textbook on database systems. It is often called the sailboat book, because its first edition had on its cover a number of sailboats, labelled with the names of various database models. The boats are sailing from a desert island towards a tropical island, while the wind pushes them away and prevents their arrival.

A database is an organized collection of data, stored and accessed electronically. Database designers typically organize the data to model aspects of reality in a way that supports processes requiring information, such as (for example) modelling the availability of rooms in hotels in a way that supports finding a hotel with vacancies.

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A database-management system (DBMS) is a computer-software application that interacts with end-users, other applications, and the database itself to capture and analyze data. (Sometimes a DBMS is loosely referred to as a “database”.) A general-purpose DBMS allows the definition, creation, querying, update, and administration of databases. A database is generally stored in a DBMS-specific format which is not portable, but different DBMSs can share data by using standards such as SQL and ODBC or JDBC.

Computer scientists may classify database-management systems according to the database models that they support. Relational databases became dominant in the 1980s. These model data as rows and columns in a series of tables, and the vast majority use SQL for writing and querying data. In the 2000s, non-relational databases became popular, referred to as NoSQL because they use different query languages.

Originally published: 1986
Authors: Avi Silberschatz, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
Subject: Computer Science

Pages: 1376

Size: 16 Mb

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