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Structure Of Total Sales Web App

Presentation tier >GET SALES >GET SALES ТОTAL The top-most level of the application is the user interface. The main function ТОTAL 4 TOTAL SALES of the interface is to translate tasks and results to something the user can understand. Logic tier This layer coordinates the application, processes commands, makes logical decisions and evaluations, and performs calculations. It also moves and processes data between the two surrounding layers. GET LIST OF ALL ADD ALL SALES SALES MADE TOGETHER LAST YEAR SALE 1 QUERY SALE 2 SALE 3 Data tier SALE 4 Here information is stored and retrieved from a database or file system. The information is then passed back to the logic tier for processing, and then eventually back to the user. Storage Database

Structure Of Total Sales Web App

shared by jamesmartin057 on Feb 11
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You see the whole process of this web app in which they use a function that calculate and shows the total sales in the end.

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Computers
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