RE: logical file access paths

Created *IMMED

Colin

> -----Original Message-----
> From: alan shore [SMTP:SHOREA@dime.com]
> Sent: 13 April 2000 13:34
> To:   RPG400-L@midrange.com
> Subject:      Re: logical file access paths
> 
> Something has just occurred to me re: this thread. 
> Was the logical file created with the parameter 
> Access path maintenance  . . . .      MAINT    
> set to *DLY, *REBLD
> 
> >>> Colin Thorpe <Colin@IBS-PUBLIC-SERVICES.CO.UK> 04/13 4:13 AM >>>
> Thanks to all who responded to the original post....
> 
> >The initial build has to read the entire file, build the key table,
> (Access
> >Path), then sort the Access Path and write it to a file.  This initial
> read
> >of the entire 10mil record file takes a while.  Adding/Deleting/Updating
> >record keys is done rather quickly on a record by record basis.  Don't
> you
> >just love the power of the AS400s native data base.
> 
> 
> A couple of points for clarity........
> 
> 1. This is not a real issue, it is something we are discussing in our
> office
> at the moment.
> 
> 2. I understand the above but,
>     If you change/update a record that is part of the key (ie order/access
> path etc) why does it not have to 
>     rebuild the order/access path to accomodate this new record order and
> therefore take some time.
> 
> Thanks 
> 
> 
> Colin 
>        
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