How to keep my sql database safe from normal tries to modify its data?

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Could you please give me some solution to protect my sql database basically? I have thought of creating a usename and a password but how to do this on an existing database? And if possible, could you let me know how to do that using csharp code not using Designer.
Thank you so much!

Posted 10-Sep-11 10:48am

King Boy

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Simon Bang Terkildsen · Accepted Answer · 2011-09-10T11:31:00

I'm gonna assume we're talking about MySQL, based on your previous question.
You should be able to use Grant[^] with SqlCommand.ExecuteNonQuery()
E.g

C#

// Create a user
mysqlcommand.CommandText = "CREATE USER 'KingBoy'@'localhost' IDENTIFIED BY 'KingBoys Password'";
mysqlcommand.ExecuteNonQuery();

// Allow KingBoy to select and insert from all tables in database db1
mysqlcommand.CommandText = "GRANT SELECT, INSERT ON db1.* TO 'KingBoy'@'localhost'";
mysqlcommand.ExecuteNonQuery();

Pradeep Shukla · Accepted Answer · 2011-09-10T11:32:00

Role based security mechanism would be the best to use to provide different set of privileges to different users. This is a good read on this:

http://www.techrepublic.com/article/understanding-roles-in-sql-server-security/1061781[^]

As for the code I am not sure that all the security mechanisms can be applied through that...not all the APIs are available to be used from code...

How to keep my sql database safe from normal tries to modify its data?

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