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          String sql= "select * from users where username=? and password=?;
          PreparedStatement preState = conn.prepareStatement(sql);
          preState.setString(1, userName);
          preState.setString(2, password);
          ResultSet rs = preState.executeQuery();


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import java.security.MessageDigest;   
  
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public class CipherUtil{   
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USE master
EXEC sp_addumpdevice 'disk', 'testBack', 'c:\mssql7backup\MyNwind_1.dat'
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BACKUP DATABASE pubs TO testBack
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