Re: Road Map to move a home grown application from RPG to DB2 SQL or to any other data base platform -- MIDRANGE-L

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Subject: Re: Road Map to move a home grown application from RPG to DB2 SQL or to any other data base platform
From: "D*B" <dieter.bender@xxxxxxxxxxxx>
Date: Wed, 11 Jan 2017 08:13:49 +0100
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1. change PF/LFs to SQL tables and indexes.

... prerequisite could be to change some RPG code from RLA to SQL data access

2. Convert RPG programs to SQL/CLI so that it can be migrated to SQL Server.

... SQL/CLI is only the data access part (and portability is limited), the remaining RPG part would be > 90% of your programms and doesn't run on any other platform.

3. Convert RPG reports to Tableu/Cognos/Crystal reports

... here you would have to make some changes to your database and every report has to be rewritten from scratch for your target environment.

4. Convert DSPF screens to some frame work like Angular JS

... this would not change your terminal driven application handling

5. Migrate everything to another platform/cloud..

The problem with working piece by piece is, that the mixed application must run in an integrated environment. Moving an RPG application from AS/400 to any other platform, you would need a rewrite of every line of RPG code.

D*B

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Follow-Ups:

Re: Road Map to move a home grown application from RPG to DB2 SQL or to any other data base platform , Vernon Hamberg

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