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Showing posts with the label Database Systems

Application of Database

 Databases are widely used in following sector:  Banking: Stores the information of customer, accounts, loans and transactions performed.  Airlines: Stores information of customer, reservation, flights, schedule, transactions.  Universities: Stores information of Students, Faculties, courses, grades, curriculum, achievements etc. Credit card transactions: stores information of purchases, generation of monthly statements, bills, history of payments, etc. Telecommunication: Stores the records of incoming and outgoing calls, data usage, generating monthly bills, maintaining balance of prepaid cards, communication network, roaming details, etc. Finance: Stores information of purchase and sale of holdings, stocks, bonds, etc. Manufacturing: Stores information of products, orders for products, inventories of products available in warehouse or shops, tracking products, production, supply chain management, etc. Human resources: Stores information of employees, designations, s

What is Database Management System?

The collection of data is known as database . Database Management System (DBMS) is a collection of two things:  The interrelated data, and  A set of programs to access those data. The  primary goal of DBMS is to provide an efficient and a convenient way to store and retrieve database information.   Database management involves defining structure for storage of information and providing mechanism for manipulation of information. Database system must also ensure the safety of information that is being stored, despite the system crash or an unauthorized access.