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SYSIBM/SYSDUMMY1 is just an IBM provided table with a single record in it.

The field and the data in it, don't really matter. All that matters is that only a single record
exists.

Such single record tables often come in quite handy and most if not all DBMS software provide such a
table that way everybody using that DBMS product can use the same one. In Oracle for instance, the
table name is DUAL.

HTH,
Charles


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Carmen Nuland
Sent: Thursday, September 06, 2007 3:28 PM
To: 'RPG programming on the AS400 / iSeries'
Subject: Sys for Dummies? (was: Those flippin dates)

Can someone give me a brief description on the last part of
this statement means? It's the second time this week that
I've seen a statement with "from SYSIBM/SYSDUMMY1" in it, but
I don't understand what it's doing. If I look at that file,
it has one field set to "Y". What kind of magic is happening here?

Carmen

-----Original Message-----
From: Alan Campin [mailto:Alan.Campin@xxxxxxxxxxxxxxxx]
Sent: Wednesday, September 05, 2007 4:05 PM
To: rpg400-l@xxxxxxxxxxxx
Subject: Re: Those flippin dates

<snip>

Select iDate('2007-01-01','*CCYMD') As DateField from SYSIBM/SYSDUMMY1





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