data base system application - unit 7
DESCRIPTION
By Prof. amit chandraTRANSCRIPT
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PRESENTATION ON DBMS AND ITS APPLICATIONS
Presented By :
Prof. Amit Chandra
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DBMS is the interface between the users (application programmers) and the database (the data). A database is a collection ofdata that represents important objects in a user’s business. A database management system (DBMS) is a program that allows users to define, manipulate, and process the data in a databasein order to produce meaningful Information. DBMS is collection of programs that enables you to store, modify, and extract important information from a database. There are many different types of DBMS, ranging from small systems that run on personal computers to huge systems that run on mainframes.
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Contd…• Good data management is an essential
prerequisite to corporate success because: Data InformationInformation KnowledgeKnowledge JudgementJudgement DecisionDecision Success (provided that data is complete, accurate,
timely and easily available)
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Contd……
Following are the examples of DBMS · Computerized library systems · Automated teller machines · Flight reservation systems · Computerized parts inventory systemsProduct of DBMS MS –Access ; Oracle –(8,8i,9i,11i,10g) ; Microsoft SQL
Server ; IBM-DB-II ; My SQL (for LINUX OS) ; Postgre SQL
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DBMS client server architectureDBMS is the three layer architecture :
User Layer
Application Layer
Data Base Layer
Client 1 Client 2 Client 3
LAN
Data Base Server
Data
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Application of DBMSs in various fields
There are many different types of DBMSs, ranging from smallsystems that run on personal computers to huge systems thatrun on mainframes. Database are applied in wide no. ofapplications. Following are some of the examples :-
· Banking: For customer information, accounts, loans & other banking transactions
· Airlines: For reservation & schedule information
· Universities: For student information, course registration,grades etc.
· Credit card transaction: For purchase of credit cards & generation of monthly statements.
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Contd….. · Telecommunication: For keeping records of calls
made , generating monthly billetc.
· Finance: For storing information about holdings, sales &
purchase of financial statements· Sales: For customer,product & purchase information
· Manufacturing: For management of supply chain.
· Human Resource: For recording information aboutemployees,salaries,tax,benefits etc.
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Advantages of Database System1) No Data Redundancy and Inconsistency2) Easy to Access Data3) Prevents Data Isolation4) Rule Enforcement5) Safety and security6) Shares large volume of data7) Time Saving8) Takes less space as compared with manual
file base management system.
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THANK YOU
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