These 10 Corporations Control Almost Everything You Buy: ". most products we buy are controlled by just a few companies. It's called "The Illusion of Choice. Despite a wide array of brands to choose from, it all comes back to the big guys.
So many times I have been asked for help with a query, where the questoin really comes down to the understanding of the difference between INNER and LEFT or RIGHT JOINs. I created this poster a few years ago and…Read more › Más