Re[2]: Is is safer to define a file using SQL if you are usi

     You can also put your SQL into a QMQRY source member. The compiled 
     QMQRY can be executed on any machine. 
     
     eric.delong@pmsi-services.com


______________________________ Reply Separator _________________________________
Subject: Re: Is is safer to define a file using SQL if you are using 
Author:  <MIDRANGE-L@midrange.com> at INET_WACO
Date:    4/14/00 11:17 AM


RUNSQLSTM would probably work.  The only advantage to SQLRPGLE 
is the compiled code will execute everywhere, whilst RUNSQLSTM 
will only execute on a 400 with SQL.
     
     
     
     
     
shc@flybynight.com.au on 04/14/2000 10:47:26 AM 
Please respond to MIDRANGE-L@midrange.com@Internet 
To:        MIDRANGE-L@midrange.com@Internet
cc:         
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Subject:        Re: Is is safer to define a file using SQL if you are using PF c
straints?
     
     
Hello Rob,
     
If you can't trust your colleagues to rebuild the database properly then nothing
ill 
save you.  Using SQL DDL is probably a safer approach -- at least the RI will be
art of 
the creation process.  You will have to remove all trace of the original DDS fro
the 
system to remove the possibility of error.
     
If you use alter table (either CHGPF or via SQL) to rebuild the files rather 
than compiling them you will keep the RI constraints and the data.
     
Can't you use RUNSQLSTM to rebuild the database rather than SQLRPG?  Or do you n
d 
additional programmatic control?
     
Regards,
Simon Coulter.
     
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//--- forwarded letter ------------------------------------------------------- 
> X-Mailer: Worldtalk (NetTalk for Windows NT 4.5-g5)/MIME
> Date: Wed, 12 Apr 2000 13:34:18 -0500 
> From: "Rob Berendt" <rob@dekko.com>
> To: MIDRANGE-L@midrange.com
> Reply-To: MIDRANGE-L@midrange.com
> Subject: Is is safer to define a file using SQL if you are using PF 
constraints?
     
> 
> I am not here to start a DDS versus SQL war but I have a 
> question I am hoping you can help me hash out.
> 
> You cannot add PF constraints using DDS.  I have some files 
> that I've built using DDS and then added RI on the files using 
> the ADDPFCST after they were built.  I am afraid that collegues 
> will modify the files and when they recompile all of the Referential 
> Integrity will be lost.  I was thinking that it would be safer 
> to define the files using SQL and write an SQLRPGLE program to 
> rebuild them.  I document the RI in the DDS but who reads that?
     
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