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SAP R/3 gained immense popularity as it consisted of a suite of tightly integrated, large-scale business applications. In early 1990’s, SAP released SAP R/3 system, which followed a 3-tier architecture i.e separate presentation layer, separate application layer and a separate database layer.a separate presentation layer and and an application with database layer Later, SAP introduced the R/2 system, which followed a two-tier architecture i.e.

It was primarily a financial accounting solution.

In 1972, SAP came up with its first system R/1, where R stands for real-time data processing.

The company was founded by 5 ex-IBM employees and is a multi-billionaire company with their customers spanning across the globe. Founded in the year 1972 with its headquarters at Wall Dorf, Germany, it is a market leader in ERP software. SAP stands for Systems Applications and Products in Data Processing.