ch 1 - database concepts and user

data bases and system to manage them have become significant components of any present day business of any nature whether the business is of one people or so many people. everybody maintains data for their day to day activities for running a business.

it has a mazor impact in the growth of organization whether a business is doing a profit or loss, so in a short we can say that data bases help business their day to day business activities in efficient and effective manner ex- banking system, IRTC, share market etc.

big data- when the data is in very high volume the velocity is very high and is also in variety of format. so it give to rise a new concept of big data.

data warehouse- data is collected into a center depository and operational data is separated from the main data.

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