How to start SAP...??
SAP means Systems, Applications and Products in data processing. SAP is the third largest software company in the world. SAP is the largest business application and Enterprise Resource Planning (ERP) solution software provider in terms of revenue. SAP's products focus on ERP, which it helped to pioneer. The company's main product is MySAP ERP. The name of its predecessor, SAP R/3 give a clue to its functionality: the "R" stands for realtime data processing and the number 3 relates to a 3-tier architecture: database, application server and client (SAPgui). R/2, which ran on a Mainframe architecture, was the first SAP version. Other major product offerings include Advanced Planner and Optimizer (APO), Business Information Warehouse (BW), Customer Relationship Management (CRM), Supply Chain Management (SCM), Supplier Relationship Management (SRM), Human Resource Management Systems (HRMS), Product Lifecycle Management (PLM), Exchange Infrastructure (XI)