This is very important questions, If you allow me to answer this question
Let say:
Let assume that I have 32 GB of RAM on my server
2 CPU with 4 cores each.
I don't have any idea of How to answer that?
Edit box, Image, Grid, ADO (MS-SQL or MySQL), Menu, combo box, background image, Radio buttons, Checklist, DB Navigator
I don't know what to decide. Which one can handle more clients?