rails (aka ruby on rails) packages the migration framework of active record, its de facto ORM tool. For those of you who want to do sequenced database...
2684
Cameron Laird
Cameron_Laird
May 24, 2011 9:04 pm
I've written an essay on testing professionalism which promotes agile perspectives. I hope you agree it's pertinent to this mailing list: <URL:...
2685
edi lai
edi198
Jun 22, 2011 2:28 am
Dear All, We are Software Engineering master students from BTH (Blekinge Institute of Technology), Sweden would like to invite you to participate in our web...
2686
Vinh Đặng Quang
dqvinh87@...
Jun 22, 2011 3:30 pm
Dear all, I read this page: http://www.agiledata.org/essays/umlDataModelingProfile.html But, how can I draw the UML diagram like this page. Can you introduce...
2687
Rob
rclemley
Jun 22, 2011 3:39 pm
ArgoUML - as far as I know the only completely free and open UML drawing tool. http://argouml.tigris.org/ ... [Non-text portions of this message have been...
2688
SImon Millward
simontcb
Jun 22, 2011 3:40 pm
Not sure about free but... Enterprise Architect is really good value and pretty good for UML http://www.sparxsystems.eu/?gclid=CLuc-anryakCFdFX4Qod9j3PNA Simon...
2689
Eugene Grebeniuk
eugene.s.grebeniuk@...
Jun 22, 2011 3:48 pm
I like Visual Paragidm for UML: http://www.visual-paradigm.com/product/vpuml/ It has free Community Edition for non-commercial use. 2011/6/22 Vinh Đặng...
2690
Andrew Swan
game_boy1964
Jun 23, 2011 2:50 pm
Violet UML is really simple and works well for most types of diagram (one type has a bug, can't recall which): http://alexdp.free.fr/violetumleditor/page.php ...
2691
Ahmed Alnatheer
ahmed142080
Jul 1, 2011 6:47 pm
Dear friends, My name is Ahmed Alnatheer and I'm currently conducting empirical research full-time on the topicof...
2692
edi lai
edi198
Jul 8, 2011 12:53 pm
Thanks to all who have participated in our survey. For all who want to participate there are still few days left to share your thoughts in...
2693
amandavarell
Jul 19, 2011 4:20 am
Hi, Im new to this group. Now Im involved in a decision of a migration of a legacy system. Here is the scenarium: 1 - The system is written in VB6 2 - It...
2694
w-p
toetah2000
Jul 19, 2011 7:45 am
... You are not working on a live database are you? With enough database abstraction, you could switch databases, but a switch-while-running is a huge lot of...
2695
Pramod Sadalage
psadalage
Jul 19, 2011 2:12 pm
You don't mention what kind of system is this. Web facing 24*7 or fat clients locally installed etc. As Willem said, it will be lot of work to keep both the...
2696
Amanda Varella
amandavarell
Jul 19, 2011 9:00 pm
Thank you for your answers. Completing my scenarium: 1 - Its a information system, whose purpose is to have a strategic project portfolio and helps...
2697
Pramod Sadalage
psadalage
Jul 19, 2011 9:07 pm
In that case its actually a re-write and you want to migrate data.. may be this will help http://martinfowler.com/bliki/IncrementalMigration.html Cheers ...
2698
David Poole
thetabetapi...
Jul 20, 2011 8:26 am
There is a danger when rewriting legacy systems to assume that "legacy" means "not very good". I've experienced a major rewrite that addressed the weaknesses...
2699
Vasco Figueira
vasco.figueira@...
Jul 20, 2011 8:26 am
Hi, ... If: 1. the new system will be using the new schema; 2. you can tolerate a downtime of a few hours; 3. you have a test site; 4. the old system is not...
2700
David Poole
thetabetapi...
Jul 20, 2011 8:26 am
Timescales for migrating from an old system to new depend to a large extent on how well the existing system is known and understood. There needs to be a common...
2701
w-p
toetah2000
Jul 20, 2011 8:43 am
... Often, you can have a transformation layer in the database as well as in the code. So you can define a set of stored routines that you develop against, or...
2702
Don Albertson
duhprofessor
Jul 20, 2011 1:39 pm
... My operational definition of "legacy" is "using hardware or software that is no longer supported by the manufacturer/vendor". For example, about 9 years...
2703
Amanda Varella
amandavarell
Jul 20, 2011 1:40 pm
Pramod, very interesting the approach to incremental migration. Could be a very good strategy. In my context, I see I still will have the following challenges:...
2704
deddy205ar
Sep 10, 2011 9:59 pm
Amanda - Will consideration be given to the existing data in the database? There's an activity called "data profiling" that looks at the actual data in every...
2705
Paul
pdziggy
Sep 11, 2011 3:46 pm
Amanda, We've been in the process of a legacy system conversion such as yours now for the last 3 years. Coordinating the rewrite of over a dozen interconnected...
2706
bomasamudram
Sep 14, 2011 2:54 am
I am a managing a Netezza/Cognos implementation effort and there is a hard deadline to deliver a quality BI release (BI: Business Intelligence). The following...
2707
Gabriel Tanase
datamodeller
Sep 14, 2011 10:54 am
IMHO the project is trying to "chew" too much at the same time. I feel that "Joe" spoke the truth: how can a developer know how long it would take to finalize...
2708
bobcorrick@...
bobcorrick...
Sep 14, 2011 10:54 am
Boma, It sounds as though your situation may be improved through evolutionary delivery rather than a big bang. For example: what are your BI clients using now...
2709
Keith Ray
attkeithray
Sep 14, 2011 3:37 pm
Have you already read up on the various books about database refactoring? http://goo.gl/6ZBT7 Note that refactoring is not supposed to change behavior, so once...
2710
Scott Ambler
scottwambler
Sep 17, 2011 11:05 am
GT > Agile or not, technological and data dependencies cannot really be sidestepped by 'refactoring'. But, they can often be addressed through mocks or...
2711
bomasamudram
Nov 11, 2011 8:41 pm
I am currently in a project in the automobile industry. We are building an automobile management system where it will be easy for an auto dealer to maintain...
2712
Pramod Sadalage
psadalage
Nov 12, 2011 2:21 am
Hello, * Is there a way to assess, either qualitatively or quantitatively, the ... I don't know how defects would tell you technical debt because, even if you ...
