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  3. May 2011

Re: DataArea vs. Tables

Hi Birgitta -

On Fri, 13 May 2011 17:17:02 +0200, "Birgitta Hauser"
<Hauser@xxxxxxxxxxxxxxx> wrote:

I?m just curious, are you using data areas (heavily) or not?

In addition to things already mentioned by others, I use data areas
for locking functions. Unlike some objects, data areas support all
locking levels: *SHRRD, *SHRUPD, *SHRNUP, etc.

For example, I'll use a data area to make sure that there aren't two
instances of the same NEP job running simultaneously.

The job allocates the data area *EXCLRD (not *EXCL because that
interferes with backups).

If a second instance is started, it can't get the *EXCLRD lock and
exits.

(The submit process also tries to get the lock, then releases it.)

Ken
Opinions expressed are my own and do not necessarily represent the views
of my employer or anyone in their right mind.

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