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  3. February 2017

RE: Storing source as DDL instead of DDS

Backups
Good luck!

Mit freundlichen Grüßen / Best regards

Birgitta Hauser

"Shoot for the moon, even if you miss, you'll land among the stars." (Les Brown)
"If you think education is expensive, try ignorance." (Derek Bok)
"What is worse than training your staff and losing them? Not training them and keeping them!"
„Train people well enough so they can leave, treat them well enough so they don't want to.“ (Richard Branson)


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Mike Cunningham
Sent: Samstag, 25. Februar 2017 23:06
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: RE: Storing source as DDL instead of DDS

Backups

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Birgitta Hauser
Sent: Saturday, February 25, 2017 6:01 AM
To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxx>
Subject: RE: Storing source as DDL instead of DDS

We don't have any reason to keep DDL source at all.
What happens if a DDL described database object gets lost, i.e. an Index or a view or even worse an view based on multiple views gets deleted.
What if a trigger or constraint is deleted?

How will you recreate it, if the object does no longer exist, so reverse engineering is no longer possible?

Mit freundlichen Grüßen / Best regards

Birgitta Hauser

"Shoot for the moon, even if you miss, you'll land among the stars." (Les
Brown)
"If you think education is expensive, try ignorance." (Derek Bok) "What is worse than training your staff and losing them? Not training them and keeping them!"
„Train people well enough so they can leave, treat them well enough so they don't want to.“ (Richard Branson)


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Justin Taylor
Sent: Freitag, 24. Februar 2017 20:25
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: RE: Storing source as DDL instead of DDS

I agree. All our new PF's are DDL, but we're not going out of our way to replace existing DDS PF's.

IF you have a compelling reason to store DDL source, keeping it with your DDS source makes the most sense to me. We don't have any reason to keep DDL source at all.



-----Original Message-----
From: Rob Berendt [mailto:rob@xxxxxxxxx]
Sent: Friday, February 24, 2017 12:28 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: Re: Storing source as DDL instead of DDS

My thoughts on this.

Doing a wholesale migration from DDS to DDL has some benefits but I am not certain it would be the best use of your companies money at this time.
Doing all new development using DDL instead of DDS is a reasonable approach.

Since you would be supporting a mixed environment one option would be to put the DDL into the same QDDSSRC pf. While this may drive a purist mad I believe it would make the transition for a new employee the easiest.
Hopefully, they would look for the DDS for the file, find the source member and quickly realize that it's in DDL and they need to switch gears.
If they can't figure that out, you've made a hiring mistake.


Rob Berendt
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IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept 1600 Mail
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Garrett, IN 46738
Ship to: Dock 108
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