Many people still rely on Excel databases, even in global enterprises. However, they are usually local in content. If you are creating a complex one, you will find little market for it unless it's a personal application.
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Thanks for your feedback Bonnie; this is exactly what I was wondering. So in essence, it probably wouldn't be wise to create a complex database if there's no need for it on a personal level. I'll keep it simply and gather feedback afterwards.