SAP R/3 Mainaly dived into 3 layers. 1.Presentation layer. 2.Application layer. 3.Database layer. Presentation layer:- It is used to communicate/connecting with only application server. Here we using the GUI. This GUI is mainly dived into 3 types. (i).Windows GUI. (ii).JAVA GUI. (iii).Html GUI.
Application server is where the dispatcher distribute the work load to the different work processes(like Dailog wp,B/G wp,spool wp, update wp and enque wp )and makes the job done.
Database Server is where it contains three buffer( D/B buffer,SQL buffer and Redolog buffer )and a Actual data base where the commited data is stored.
If you have the better answer, then send it to us. We will display your answer after the approval.
Rules to Post Answers in CoolInterview.com:-
There should not be any Spelling Mistakes.
There should not be any Gramatical Errors.
Answers must not contain any bad words.
Answers should not be the repeat of same answer, already approved.