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Simon L. Prinsloo
Guest
James is correct, you should learn using the newest version, even if you really need to know v. 9. You will still be able to use almost all procedural stuff you learn on the latest version, but the OO stuff and anything related to structural error handling is not available in v.9, so you can skip those parts for now. There may be a few new statements missing, but they will very few and far between. Also, a few handle based objects, like LOG-MANAGER and CLIENT-PRINCIPAL, did not exist in v. 9 and on some others like SESSION you will find that some properties are missing. Other than that, the latest stuff should get you fairly well up to speed if you really need to work with v.9. On the other hand, if you do have a v.9 code base, you have a very good chance that you will be able to compile and run it on the latest versions without any major problem. The most difficult would be to get the db up through all the versions, unless you just dump and load it.
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