silvester presentation on dbms
TRANSCRIPT
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A Database Management System (DBMS) is a set of computer programs that controls the creation, maintenance , and the use of the database of an organization and its end users.
For examples- the list of names and address may consist of only a few hundred records, each with a simple structure.
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• Computerized library systems
• Automated teller machines
• Flight reservation systems
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• Represents complex relationship between data
• Controls data redundancy
• Ensures data sharing
• Enforces user defined rules
• It has central dictionary to store information
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• Flexibility• Fast response to information
requests• Multiple access• Lower user training costs• Less storage
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• Cost of hardware & software
• Cost of data conversion
• Cost of staff training
• Appointing technical staff
• Database damage
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• Data Definition Language (DDL)• Data Manipulation Language (DML)• Data Control Language (DCL)
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HIERARCHICAL MODEL
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This information clearly throws light on various functions of DBMS which it can perform in day to day life of a person. DBMS models broadens its activities depending on the purpose of activity. Its increasing demand and application of it in the business gives a clear picture of its scope and importance of it in the business world as well. It gives a bird eye view of a very complex data and also helps in easy finding of the relations between different components of the data.
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WEBSITES
WWW.GOOGLE.COM
WWW.KIOSKEA.NET
WWW.WIKIPEDIA.COM
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