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Chapter 32. Upgrading Access 97 and 2000... > In the Real World—The Access Upgrade...

In the Real World—The Access Upgrade Blues

Previous upgrades to Access (except the 1.0 to 1.1 transition) undoubtedly increased the market for mood-altering substances—both legal and illegal—among Access developers. Migrating from Access 97 to Access 2003 isn’t a piece of cake. The larger and more complex your Access application, the more taxing the process. Access Basic detritus from Version 2.0 or earlier plagues the conversion of mature Access applications. (Many developers didn’t upgrade Access 2.0 applications to Access 95 because of performance issues.) Thus, the more history behind your code, the greater the chance that it breaks when upgrading.

The obvious temptation is not to upgrade any Access 9x application to Access 2002. This approach is viable only for applications you distribute as self-contained runtime versions generated by the Office 9x Developer Edition’s Setup Wizard. Access 97 runtime versions install roughly 50MB of Access 97, Jet 3.51, DAO 3.51, and other obsolete dependency files on Office 2003 users’ PCs. The Access 97 runtime baggage probably won’t be a problem for today’s desktop PCs, but road warriors’ older laptops often have much less available disk space than modern desktops.


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