Sql db files in client machine

Question

Dears,

I'm working in application that uses sql server database
I want to know in what form this db will be in the user's machine after
he install the application?

As I don't want the user to be able to open the db again from the sql server
I'm not asking about the setup process as I already made the setup application
I just want to convert the db into any suitable format which protect it from
opening by the user.

Thanks all in advance

Kirtan Patel · Answer

hi , Friend , please dont forget to mark " Do you like answer " if answer helped you :) it will give me some credits :) Scenario 1 If you are implementing your project on Clients Machines in LAN Network then the database Will be on Central PC on which the SQL Server is Installed .and Central PC is Protected by Password so no change to access it by ordinary User . Senario 2 if you are not implementing your project in LAN and it is just Single user APplication then you can Protect Your data in database by Encrypting it :)

Habeba Khaled · Answer

Thanks Master Billa Yes, the user is working only in his own machine and isn't connected to any server I'm reading ur link now and I'll reply after finishing it

Habeba Khaled · Answer

Dear Kirtan Thanks for the answer Do u suggest a specific encryption technique ?

Master Billa · Answer

Hi If you want to not allow to open database in his local pc, you can do like make a central database and use the 3-tier architecture to develop application if you did like this way you dont worry about the database in local pc, it's work like smart client application. http://www.codeproject.com/KB/architecture/three_tier_architecture.aspx thank you

Roei Bar · Answer

either way you dont need the db on client machines, if you are on Intranet use the connection to the main pc holding the db if on internet expose the data commands via webservice

Habeba Khaled · Answer

Dear, Thanks for the reply but it's a windows application not a web, that's why I have to include the database with the application

Roei Bar · Answer

why would you do that, the db is not needed on the client machine, if so he will need SQL engine install. just put the connectionstring in the application configuration file and encrypt it here is the howto encrypt code : Configuration config = ConfigurationManager. OpenExeConfiguration(ConfigurationUserLevel.None); ConfigurationSection section = config.GetSection( " connectionStrings " ); if (section != null ) { if ( ! section.IsReadOnly()) { section.SectionInformation.ProtectSection ( " RsaProtectedConfigurationProvider " ); section.SectionInformation.ForceSave = true ; config.Save(ConfigurationSaveMode.Full); } }

Sql db files in client machine

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Answers (7)