Update tutorial-discover-mysql-database-instances.md

Added specific privileges required by the MySQL user

Author: ankitsurkar06

articles/migrate/tutorial-discover-mysql-database-instances.md

@@ -57,6 +57,14 @@ The following table lists the regions that support MySQL Discovery and Assessmen
    > - Ensure that the user corresponding to the added MySQL credentials have the following privileges: 
    >    - Select permission on information_schema tables.
    >    - Select permission on mysql.users table.
+   
+   > - Use the following commands to grant the necessary privileges to the MySQL user
+   > ```
+   >  GRANT USAGE ON *.* TO 'newuser'@'localhost';
+   >  GRANT PROCESS ON *.* TO 'newuser'@'localhost';
+   >  GRANT SELECT (User, Host, Super_priv, File_priv, Create_tablespace_priv, Shutdown_priv) ON mysql.user TO 'newuser'@'localhost';
+   >  FLUSH PRIVILEGES; 
+
 
 You can review the discovered MySQL databases after around 24 hours of discovery initiation, through the **Discovered servers** view.