... importance and use of data is shown in figure 1.1. Figure 1.1 Acknowledge Ramp 2.0 Data Data is important is the raw and unprocessed material that arrive from the external world. For example consider the receipt that one receives from a supermarket checkout desk. It simply transfers the price of the objects in the basket into a table of data. There is little sorting, categorising or interpretation. 2.1 The Role of Data Business organizations need large amounts of data to be processed in order for routine business transactions. However some types of data of data have constraints for example a bank cannot give details to anyone about its customers, this is a legal constraint from the Data Protection Act. Constraints like this occur often in businesses and are known as legal constraints, other constraints are political constraints or company constraints whereby the business is not allowed to disclose information externally, this often happens within ...

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