TSQL to Map User to Database

Question

So I\'m not able to user enterprise manager to do this... If I was I wouldn\'t even be asking this question. So I\'m wondering if there is a way through TSQL to execute a co

Answer 1

My complete solution for SQL. You can customize it according your needs:

   #region SQL-SERVER-FUNCTION
    /// 

    /// Assign User in to specific role for SQL server database
    /// 
    /// Server address - example: yourServer.cloudapp.net,1433         
    /// User name with sysadmin role
    /// User database
    /// New role for this user
    /// User assigned to new role   
    public static void AddUserToRoles(string Server, string UserID, string Password, string Database, string Role, string UserToRole)
    {               
        SqlConnection connection = new SqlConnection();
        connection.ConnectionString = "SERVER = " + Server + "; DATABASE = " + Database + " ; User ID = " + UserID + "; Pwd = " + Password;             
        string sqlCreateDBQuery = " EXEC sp_addrolemember '" + Role + "', " + UserToRole; 
        SqlCommand myCommand = new SqlCommand(sqlCreateDBQuery, connection);
        try
        {
            connection.Open();
            myCommand.ExecuteNonQuery();
        }
        catch{}//(System.Exception ex)
        finally
        {
            connection.Close();
        }
        return;
    }

    /// 

    /// Create new User in specified database base on Login in SQL server
    /// 
    /// Server address - example: yourServer.cloudapp.net,1433         
    /// User name with sysadmin role
    /// Database for created user
    /// New user Name
    /// Create user base on this SQL server login   
    public static void CreateUserInDatabase(string Server, string UserID, string Password, string Database, string NewUser, string FromLogin)
    {
        SqlConnection connection = new SqlConnection();
        connection.ConnectionString = "SERVER = " + Server + "; DATABASE = "+ Database + " ; User ID = " + UserID + "; Pwd = " + Password;
        string sqlCreateDBQuery = "CREATE USER " + NewUser + " FROM LOGIN " + FromLogin;        
        SqlCommand myCommand = new SqlCommand(sqlCreateDBQuery, connection);
        try
        {
            connection.Open();
            myCommand.ExecuteNonQuery();
        }
        catch { }//(System.Exception ex)
        finally
        {
            connection.Close();
        }
        return;
    }

    /// 

    /// Create new Login in SQL server
    /// 
    /// Server address - example: yourServer.cloudapp.net,1433         
    /// User name with sysadmin role
    /// Sysadmin user password
    /// New Login Name
    /// Password for new Login              
    public static void CreateLoginInSqlServer(string Server, string UserID, string Password, string NewLoginName, string NewLoginPassword)
    {
        SqlConnection connection = new SqlConnection();
        connection.ConnectionString = "SERVER = " + Server + "; DATABASE = master; User ID = " + UserID + "; Pwd = " + Password;
        string sqlCreateDBQuery = "CREATE LOGIN [" + NewLoginName + "] WITH PASSWORD='"+ NewLoginPassword +"' " +               
            ", CHECK_POLICY=OFF, DEFAULT_DATABASE=db_crs_0002, DEFAULT_LANGUAGE=[English];";         
        SqlCommand myCommand = new SqlCommand(sqlCreateDBQuery, connection);
        try
        {
            connection.Open();
            myCommand.ExecuteNonQuery();
        }
        catch { }//(System.Exception ex)
        finally
        {
            connection.Close();
        }
        return;
    }


    /// 

    /// Create new empty database on SQL server base on model database stored in SQL server
    /// 
    /// Server address - example: yourServer.cloudapp.net,1433
    /// Name for new database
    /// User name with sysadmin role
    /// Sysadmin user password
    public static void CreateNewDatabaseSqlserver(string Server, string NewDatabaseName, string UserID, string Password)                 
    {
        string sqlCreateDBQuery = " CREATE DATABASE " + NewDatabaseName;
        SqlConnection connection = new SqlConnection();
        connection.ConnectionString = "SERVER = " + Server + "; DATABASE = master; User ID = " + UserID + "; Pwd = " + Password;  
        SqlCommand myCommand = new SqlCommand(sqlCreateDBQuery, connection);
        try
        {
            connection.Open();
            myCommand.ExecuteNonQuery();  
        }
        catch { }//(System.Exception ex)
        finally
        {
            connection.Close();
        }
        return;
    }
    #endregion 

using: Create on SQL server Login with sysadmin permissions: AdminAPI

        SQLserverAPI.CreateNewDatabaseSqlserver("yourServer.cloudapp.net,1433", "databaseName", "AdminAPI", "password*");
        SQLserverAPI.CreateLoginInSqlServer("yourServer.cloudapp.net,1433", "AdminAPI", "password*", "My_Login", "password*");
        SQLserverAPI.CreateUserInDatabase("yourServer.cloudapp.net,1433", "AdminAPI", "password*", "databaseName", "User1", "My_Login");
        SQLserverAPI.AddUserToRoles("yourServer.cloudapp.net,1433", "AdminAPI", "password*", "databaseName", "db_datareader", "User1");
        SQLserverAPI.AddUserToRoles("yourServer.cloudapp.net,1433", "AdminAPI", "password*", "databaseName", "db_datawriter", "User1");
        SQLserverAPI.AddUserToRoles("yourServer.cloudapp.net,1433", "AdminAPI", "password*", "databaseName", "db_owner", "User1");