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will this be a problem?
the database will be changing every second when users buy and sell or add items.
and i have a vb.net application in mind and it will not write data to the database but it will be just reading the data with every change.
so one database getting changed thousands of times per hour and a vb.net application graphing and listing that data in real time.
if this doesn’t work what are my options?
You don’t say what database you’re using but some databases (e.g. SQL Server) lock tables when they read so you probably want to be doing a dirty read if the database is being updated all the time.