Introduction to SAP

SAP stands for Systems Applications & Products in Data Processing.
SAP is an application or ERP Packages which are integrated all available Business Processes.
It works on the concepts of ERP (Enterprise Resource Planning)

Introduction to SAP

SAP was developed by 5 former IBM German Engineer in 1972 under the SAP AG Company which headquartered in Germany (Walldorf).
In 1972, SAP developed/worked on R1/ One tier Architecture based on Mainframe architecture. Worked on Material Management business module.
In 1982, SAP  developed/worked on R/2 Two Tier Architecture.
SAP R/3 came in 1992 date of 06th in the month 07 i.e. 06-07-1992. Based on Client Server Architecture.

R stands for Real-Time Data processing.

The major SAP releases and release years are-
1972 SAP R/1
1982 SAP R/2
1992 SAP R/3
1998 SAP R/3 Release 4.0B
1999 SAP R/3 Release 4.5B
1999 SAP R/3 Release 4.6B
2001 SAP R/3 Release 4.6C
2004 SAP R/3 Enterprise Release 4.70
2005 SAP ECC 5.0 ERP 
2006 SAP ECC 6.0 ERP
2017 SAP ECC 6.0 ERP (Enhancement Packet 8)