Database Languages

Download Database Languages pdf file Database Languages A database system provides a data definition language to specify the database schema and a data manipulation language to express database queries and updates. In practice, the data definition and data manipulation languages are not two separate languages; instead they simply form parts of a single database language, … Read more

Database Management Application

Database Management Application 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. … Read more

Database System Applications

Database System Applications Databases are widely used. Here are some representative applications: • Banking: For customer information, accounts, and loans, and banking transactions. • Airlines: For reservations and schedule information. Airlines were among the first to use databases in a geographically distributed manner—terminals situated around the world accessed the central database system through phone lines … Read more

Introduction to Database Management

Download Introduction to DBMS pdf file INTRODUCTION TO 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. The primary goal of a DBMS is to provide a … Read more