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GCSE: ICT Systems and Application
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- Marked by Teachers essays 6
- Peer Reviewed essays 9
Online shopping has seen an extremely high increase in customers over the years; there are many reasons for this... Online Shopping-Why so Popular? The graph to the left shows UK internet retail sales, as you can see between April 2000 and December 2002 the online retail market value has seen a sharp increase. There are many reasons for this, firstly that internet shopping is a lot safer then it was ten years ago, sites such as PayPal make online shoppers feel safer as you only give out your card details to one company and they act as a 'middle man' between you and the seller.
- Word count: 798
Validation can be used in a database, where you set up the fields in a database so that only certain information can be entered. It's a check by the actual computer program and makes sure that the data is allowable. There are many different checks that can be performed: � Character type check - This check will make sure that the correct characters are entered into the computer. � Length check - Where the length of the word that has been entered is checked, and if this is incorrect an error message is displayed.
- Word count: 856