Is there a Design Pattern for “Update else Add”?
They always say data conversions are a labor of love - you pour your heart and soul into the program, to get the most data converted as possible, and then, when you actually do run the code in production - it's a one time event; toss the source files in the bit bucket. Well, that's what it was [almost] like in my first job - we sold Property Management systems along with implementation services, and those services invariably included a…