Re: Application Database Objects

My background is DB2 on the z-series, that is why I use the term
database.

It sounds like on the I this is called SCHEMA.

Again my concern is should my application schema's be located in the
QSYS library or some where else?

Rogers

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Elvis Budimlic
Sent: Friday, August 21, 2009 1:46 PM
To: 'Midrange Systems Technical Discussion'
Subject: RE: Application Database Objects

Still mixing terms I'm afraid.

DATABASE=LPAR or iASP=collection of schemas and associated objects
SCHEMA=COLLECTION=LIBRARY TABLE=PHYSICAL FILE VIEW=NON-KEYED LOGICAL
FILE INDEX=KEYED LOGICAL FILE ...

Note that for several releases System i has supported installing
multiple databases on the same system/LPAR by leveraging the iASP
support. Run WRKRDBDIRE to see what he's talking about. If you have
iASPs installed, run WRKCFGSTS *DEV *ASP to see corresponding iASP
information.

I don't know what the original poster's background is, but if he came
from another platform, he really means database when he says database.
On a number of other platforms database is simply a stream file (with
complicated internal structure of course), install into a file system
and a server can have many databases installed simultaneously on it.
So, if OP is talking DB2 for i database, it's clear - either default
LPAR or iASP library.

If OP is talking a different database (i.e. mySQL), then IFS is a valid
option.

Then again, the OP may indeed simply mean schemas, in which case you're
correct of course.

Elvis

Celebrating 11-Years of SQL Performance Excellence on IBM i, i5/OS and
OS/400 www.centerfieldtechnology.com


-----Original Message-----
Subject: Re: Application Database Objects

Mixing terms here. Are you talking about tables or collections?
Collections
(databases) are libraries, and they're always in QSYS. Tables can be in
any library. The IFS wouldn't have anything to do with this. The IFS is
for non-traditional objects, specifically non-library based objects like
stream files and such. The traditional file system is very flat - all
objects exist in a library, all libraries exist in QSYS.



On Fri, Aug 21, 2009 at 12:11 PM, Laine, Rogers
<rlaine@xxxxxxxxxxxxxxx>wrote:

We would like to start creating application databases on our Power6.

When i create a sample database it gets placed in the QSYS.LIB.

Is this the recommended library to create these databases. I think of
QSYS as a System Type library.

I would think it would be better to create these databases under a new

IFS library called QAPPL.

So what is the command to create QAPPL under IFS, if this is the
approved method?

Rogers

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