->Explain how SAP GUI handles output screen for the user.
The SAP front-end software can either run on the same computer or on different computers provided for that purpose. User terminal input is accepted by the SAP terminal program SAP GUI, converted to SAP proprietary format and sent to the SAP dispatcher. The dispatcher co-ordinates the information exchange between the SAP GUIs and the work processes. The dispatcher first places the processing request in request queues which it then processes. The dispatcher dispatches the requests one after another, to the available work process. The actual processing takes place in the work process. When processing is complete, the result of a work process is returned via the dispatcher to the SAP GUI. The SAP GUI interprets the recieved data and generates the output screen for the user.
->SQL used in ABAP/4 is known as ____________.
OPEN SQL.
->What is the transport protocol used in R/3 system ?
TCP/IP – Transmission Control Protocol / Internet Protocol.
->What is isolated Database server ?
Server which is not accessible from the front end.
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