SAP R/3 форум ABAP консультантов
Russian ABAP Developer's Club

Home - FAQ - Search - Memberlist - Usergroups - Profile - Log in to check your private messages - Register - Log in - English
Blogs - Weblogs News

FAQ



 
Post new topic   Reply to topic    Russian ABAP Developer's Club Forum Index -> Dialog Programming
View previous topic :: View next topic  
Author Message
admin
Администратор
Администратор



Joined: 01 Sep 2007
Posts: 1636

PostPosted: Tue Apr 01, 2008 1:02 pm    Post subject: FAQ Reply with quote

Q. What is a Working Process
A. Work processes are components of ABAP Application servers.Work process execute the individual dialog steps of ABAP application programs.

Work process contains three important components.
They are
1. Screen Processor
2. ABAP Processor
3. Database Interface

1. Screen Processor:
It executes Screen flow logic via dispatcher.
It takes over the responsibility for communication between
the work process and sap gui.
2. ABAP Processor
It executes the processing logic of application program.
It communicates with the database Interface.
3. Database Interface
It creates and destroy the link between work process and
database.
It provides access to ABAP Programs and ABAP Dictionary
It manages the buffer administration on application server.
It control transatcions using COMMIT and rollback.

There are 5 types of work processes.
1.Dialog Work Process
Dialog work processes deal with requests from an active
user to execute dialog steps.

2.Update Work Process
It execute database update requests.
Update requests are part of an SAP LUW that bundle the
database operations resulting from the dialog in a database
LUW for processing in the background.

3.Background Work Process
Background work processes process programs that can be
executed without user interaction .

4.Enqueue Work Process
It manages lock tables in the shared memory area.
This mechanism is used to prevent the concurrent access
of same data.
A single enqueue work process is sufficient to perform the
required tasks.

5. Spool Work Process
It is used to perform print jobs.
Each ABAP application server may contain only one spool
work process.
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    Russian ABAP Developer's Club Forum Index -> Dialog Programming All times are GMT + 4 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum


All product names are trademarks of their respective companies. SAPNET.RU websites are in no way affiliated with SAP AG.
SAP, SAP R/3, R/3 software, mySAP, ABAP, BAPI, xApps, SAP NetWeaver and any other are registered trademarks of SAP AG.
Every effort is made to ensure content integrity. Use information on this site at your own risk.