I would like know about different sap versions released upto now. how many versions are released till to date. what are the basic differences between them.what is the new version yet to come. I know about 4.5b,4.6c,4. 7,ECC 5.0,ECC6.0.i don't know much about previous versions & in between & current.
please someone kindly let me know.
Thanks in advance.