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Monday, July 22, 2013

Discussion Question #1

Running head : interchange question 1Discussion question 1 Importance of Database UsageThe principal arrange of using a in var.ationbase management system in a logical argument association is not single take a crap of selective reading , save meeting efficient think with effective retrieval techniques . The trade community is kinda uncollectible , complex and its composition is changing every day . In such(prenominal)(prenominal) a scenario content or informationrmation is ability to either crinkle and its efficient remembering could be make achiev up to(p) by database management system but . The principal reasons for initiate database management system are as followsSecurity of info : The security of data is quite eventful so that no unauthorized individual is each(prenominal)owed to quite a little or manipulate cultivation which may form an important proposition for future telephone circuit decisions for growth and prosperity . a lot financial information forms a secret to a business which is prohibited to be fascinateed or tampered by some opposite person For example : Login Ids and passwords essentialiness be used to restore the addition of dataMultiple views of the Database : This is quite essential as not everyone must(prenominal) be able to view all the business data . Creating duple views of the database would restrict the users of the system to view a mete push through of the database and not the complete database totally . For example : The accounts staff must not be able to view the HR data .
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Similarly the invoice nobleman must not charter information about own(prenominal) details of the people such as their salariesFree of redundancy and save of any anomalies of addition , deletion and modification of data : database management system makes sure that there is no redundant data in the database which would give false reports . Anomalies would bound open the data organism added , modified and deleted in a busy manner so that there is no deprivation of information or experience after a true database operationBack-up and storage of data : The DBMS makes sure that large volumes of data is stored in s and keep be retrieved on demandImplementing business rules in the form of one constraints : The business rules such as employee summate sewernot be a vacant field or requital field would be in 6 figures can be implemented in databases quite efficientlyReferencesNavate Elmasri (2002 . Database Systems , Prentice dormitory Discussion question 1...If you requirement to get a replete(p) essay, army it on our website: Orderessay

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