Many people become quite interested in learning to make queries after seeing these forms. Seeing records pop up on the screen probably isn't all that useful for serious users but the related possibilities seem to be really obvious, even to computer neophytes. The particular database you use these days isn't nearly as important in terms of data transfer as it used to be even a short while ago. The issue is pretty much limited to data consistency these days. As long as the data is consistent, you can build translation tables and put it into a great variety of PC formats.
Lookup tables are a big help in achieving consistency.
If you already are familiar with some other database and wish to use IK data, chances are the conversion of IK data to your database format is not difficult. This does not mean that the database manager you choose to use does not matter. It matters a great deal. How difficult it is to learn 3. How hard it will be to find people who have already learned it 4.