Access is a superb prototyping tool and an excellent stand-alone platform, however, I am considering something...
rather more professional. For example, to generate the statistical data for 23,000 items with 50 months consumption in VBA takes about 45 minutes, tests indicate the same can be done in C++ in under a minute, and the last time I used PL/SQL to calculate Single Exponentially Smoothed Forecasts for the same data set, it was done in a matter of seconds.
I have a little Oracle knowledge and have Oracle Enterprise Edition Release 2 V8.1.6 on my home machine, I had been studying for certification but dropped it in favour of a B.Comp Sc which I have commenced this year. And now to the question.
What would be the best way to proceed? Learn enough PL/SQL to write the statistical and forecasting engine and use Java to develop a front end? Or C++ and Java? Or
Looking forward to hearing what real Developers/Analysts would do (I am but a humble storeman).
When developing code, it's best from an Oracle standpoint to live by the following mantra:
1. If it can be done in PL/SQL, do it in PL/SQL first! This is a language native to the database and generally performs the best (but not always)!!!
2. If it can't be done in PL/SQL, attempt to do it in Java, hopefully in Java Stored Procedures. This gives you flexibility while also letting you run your code in the database. You can also port Java procedures to multiple platforms without recompiling the code.
3. If #1 and #2 are not possible, consider using C external procedures.
The above mantra pertains to code that will run directly against the database. As you may be well aware, the application may not be able to run entirely in the database. This is especially true of GUI based applications.
When I get involved with developing new applications, I try to remain as vendor neutral as possible in hopes of achieving portability. This is why I favor Web-based applications with Java in the middle tier. If the application is Web-based, then any Web browser running on any platform can run the application. And your deployment problems are significantly reduced. Let the Web application server in the middle tier perform most of the application logic. If you use something like Java Server Pages, then you are not tied to any specific hardware or application server.
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