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Car sales Solution - My task is to imagine my friend is setting up a car locating business and wants to install a computer system.

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Introduction

Coursework Project 1B Car sales Solution My task is to imagine my friend is setting up a car locating business and wants to install a computer system. The system must have the power to store different car information and have the function to search for desired car information be stored and searched for easily .The system must also be easy to use and I have been asked to find a solution to carry this out. Two ways that I could solve the problem is by (1). Putting the information in a table using Microsoft Word, information would be easy to store, but a disadvantage would be that it is, hard and time consuming to search for a desired car. Another way would be storing the information in Microsoft Access. Microsoft Access is a program that contains databases. I think this would be the most efficient method to solve the problem, because information could be stored and searched for easily, using fields. To do this you need to use a query. ...read more.

Middle

I have decided to create a way of validating data. The data type that needed validating was Mileage and Price. For the Price field the validation rule is; >0 and <10000, this means data input must be more than 0 but less than 10000 pounds. The format is currency; therefore only currency can be entered. The validation text I have put is 'Data input too high please try again! .' This message will pop up every time data is entered that doesn't follow the above rule for Price. For the mileage field the validation rule is; >0 and <90000, this means the data 'miles' should be more than 0 and less than 90000 miles. The format is number, therefore only numbers can be entered. The validation text I have put is 'Data input too high please delete and try again! .'This message will pop up every time data is entered that doesn't follow the above rule for mileage. I have created some queries in my database and run them. ...read more.

Conclusion

Setting up the database wasn't too hard to do, but might be quite challenging for beginners and takes a bit of practice. Searching using queries was surprisingly simple and quick to use; this would be an asset for businesses with the same type of initial problem. I have verified my car sales data to make sure it was accurate. I checked it myself than asked a friend to see if they could spot any errors. In a proper business thorough verification checks are used on data. Firstly an operator, against the source material checks the data input. This is usually a simple visual check. After that a second operator keys in the same data. The computer has the job of comparing the two files and warns off any mistakes. The source document is then checked again for the correct data. I am quite pleased with my finished work but some improvements that could be made to my solution would be: to arrange the car sales data in a more efficient way so better validation rules could be applied. Chiara Valente 10R I.C.T ...read more.

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