Ever wonder all the reasons that we use databases instead of file systems? While we don’t think of it too much anymore, the first reason that databases came into existence was to remove redundancies. The first source of redundancy back in the dark ages, when I was just beginning the program, was a product called “carbon paper” You younger people probably have not seen it. Paper forms came with sheets of this thin black carbon paper between duplicates of the form. As you pressed on the paper form, pressure transferred the image to the duplicates.
If you don’t believe me,