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    <p>I had an application that worked likewise: an MS Access frontend to a MySQL backend. It was such a huge pain that I ended up writing a Win32 frontend instead. From the top of my head, I encountered the following problems:</p> <ul> <li>Development of the ODBC link seems to have ceased long ago. There are various different versions floating around --- very confusing. The ODBC link doesn't support Unicode/UTF8, and I remember there were other issues with it as well (though some could be overcome by careful configuration).</li> <li>You probably want to manually tweak your db schema to make it compatible with MS Access. I see you already found out about the needed surrogate keys (i.e., int primary keys) :-)</li> <li>You should keep in mind that you may need to use pass-through queries to do more sophisticated SQL manipulations of the MySQL database.</li> <li>Be careful with using lots of VBA, as that tends to corrupt your frontend file. Regularly compressing the database (using main menu, Tools | Database utilities | Compress and restore, or something like that --- I'm using the Dutch version) and making <em>lots</em> of backups is necessary.</li> <li>Access tends to cause lots of network traffic. Like, really huge lots. I haven't been able to find a solution for that. Using a network monitor is recommended if you want to keep an eye on that!</li> <li>Access insists on storing booleans as 0/-1. IMHO, 0/+1 makes more sense, and I believe it is the default way of doing things in MySQL as well. Not a huge problem, but if your checkboxes don't work, you should definitely check this.</li> </ul> <p>One possible alternative would be to put the backend (with the data) on a shared drive. I remember this is well-documented, also in the help. You may want to have a look at <a href="http://allenbrowne.com/ser-01.html" rel="noreferrer">some general advice on splitting into a frontend and a backend</a> and <a href="http://allenbrowne.com/ser-13.html" rel="noreferrer">code that automatically reconnects to the backend on startup</a>; I can also send you some more sample code, or post it here.</p> <p>Otherwise, you might also want to consider MS SQL. I don't have experience with that, but I presume it works together with MS Access much more nicely!</p>
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