How to build a SQL database(bank) like microsoft Access Bank

Question

hi
When I'm creating a database in Access
You can create a password on it and when I open the database, asks me the password, how to do it in SQL Server 2008?
How can I DataBas safe in SQL Server 2008? When I've moved onto other computer and the computer database was SQL Server 2008, that person is unable to open my bank? And only through the software that I've made this access possible by C #


sorry
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