What is SAP R/3?

Answer Posted / harika

SAP is Systems Applications and Product in Data processing.
R Means Run time or Real time
3 Means 3-tier Architecture. The 3 tiers are Presentation layer, Application layer, Data Base layer.
Presentation layer receives the data from the user and sends the data into Application layer. It has dispatcher. Dispatcher , dispatches the data into different work processes. Data base stores the data and sends the data into the user.

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