@r621: I have shown a suggestion above that shows all the steps and implements them in a query. If the imaginary table name TableX is replaced by the existing one, the query should work immediately. Replace the name, accept the query and try it out, you should be able to do that, if not, you better find a service provider.
The statement to store all single steps in single queries and everything will be fine and suggests ten times as fast I think is nonsense. Serious investigations would confirm that, Josef showed approaches and results to it. But you can test this yourself as a second attempt.
Sometimes you have to see, feel, experience to have an answer to believe.