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Difference between GU and GN calls

 
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eprabinkumar02

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Joined: 01 Jun 2007
Posts: 1
Location: US

PostPosted: Thu Jun 07, 2007 11:27 pm    Post subject: Difference between GU and GN calls
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Hi All,

Can anyone tell me the answere of below question.

What is the unique functionality that a GU call can do which GN call can't?

Please reply me asap.

Thanks in advance
Prabin
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Devzee

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Joined: 20 Jan 2007
Posts: 684
Location: Hollywood

PostPosted: Fri Jun 08, 2007 1:46 am    Post subject:
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GU - Random Read

GN - Sequential read
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prasadvrk

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Joined: 31 May 2006
Posts: 200
Location: Netherlands

PostPosted: Fri Jun 08, 2007 11:22 am    Post subject:
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As pointed by Devzee GU can directly fetch the desired record while GN has to process sequentially to fetch the same record
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cgk_106

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Joined: 22 Dec 2006
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Location: chennai

PostPosted: Mon Jun 11, 2007 3:04 pm    Post subject:
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Most of the time GU (Get unique )calls are used for getting single segment from the screen subsequent segements are received by GN (Get next) call,Kindly correct me if i am wrong
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