Kind of like the old geezer behind the curtain in the Wizard of Oz, back-end applications on an eCommerce website help to drive the magic happening on the front-end. So like Dorothy and her entourage, eCommerce website owners must pay attention to what’s happening behind the scenes. That’s because, for front-end applications to work, they must make requests to back-end applications, like a database, to pull all of the dynamic content together for a page to be rendered at the client...