August 2013
Intermediate to advanced
340 pages
10h 42m
English
CHAPTER 8
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Data Conversion
I only hope they spell my name right.
—Astronaut Alan Shepard, onhow he hoped to be remembered
I guess someone somewhere has built a database application that starts with an empty database, but I’ve never seen one. There’s always something preexisting that has to be converted to the new system, even if it’s only a roster of volunteers tacked to a bulletin board or a file box of frequent customers. Much more often, there’s more to it than that: spreadsheets, papers, e-mail messages, text files, or perhaps an existing database system, maybe based on FileMaker, Microsoft Access, or even MySQL.
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