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What are Key Feedback Area, MPP, SPA

 
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garv_fundu
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Joined: 02 Nov 2006
Posts: 22

PostPosted: Tue Dec 12, 2006 12:06 pm    Post subject: What are Key Feedback Area, MPP, SPA
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Kindly give me some details regarding :

a) Key FeedBack Area
b) MPP
c) SPA

Thankx in advance.....
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Bitneuker

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Joined: 07 Nov 2005
Posts: 1105
Location: The Netherlands at Hole 19

PostPosted: Tue Dec 12, 2006 2:18 pm    Post subject:
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A little bit of reading the manual is very helpfull but I'll answer briefly.

Key Feedback Area contains the concatenated keys of the segments in a logical database record; sequence is from top to bottom.

MPP is message processing program and processes messages sent from a terminal or another message handling program.

SPA stands for scratch pad area and is used to store information like switches, numbers and counters you would normally keep in your working storage. Since the application might be (re)loaded between two transactions (communication with a terminal) all fields might be initial. So the SPA helps your application to decide what step it should take after gaining control.

For more information check this out.
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