which are must to maintain Or install in user machine when we are giving setup

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C#

I have one doubt my crystal report developed it is working well on my data base.
Now I want to give this project exe to client. in user machine how to maintain this database ?
Is it necessary copy this database into client machine? How to machine our Db data in client machine?

I developed this winproject using c#.

plz give instructions and order of steps for maintain user environment with my exe