It would really depend on where this is hosted. Is this an internal server at a company you work for or is it hosted at an ISP/hostprovider? If its internal, use whatever your company already owns or is willing to allow you to use. If its hosted outside use whatever the provider has installed. Any DB will do the job. I've used Access/ASP, FoxPro, Oralce/Java, and MySQL/PHP. It all came down to who was hosting the database. The Access/ASP solution was done for a client who housed everything internally and only had (and would only license) IIS servers and Access databases. The FoxPro was done because a client was willing to buy me the hardware/software to experiment with that platform. The Oracle/Java was for a large client who had an Oracle license already. The MySQL/PHP solution is what I do a lot of my work in because many hosting providers already have it since its open source and free.
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