October 2000
Intermediate to advanced
1152 pages
26h 41m
English
How can the details work out? Look at an example from the day before I started to write this chapter.
A client wanted to enhance an online catalog to include thumbnail pictures of the merchandise. After a bit of confusion about what this really meant, I realized that I needed to update a simple database table of products to include a new column (or attribute or value) that would specify the filenames of the thumbnails. The database management system has a couple of interactive front ends, and I'm a swift typist, so it probably would have been quickest to point and click my way through the 200 picture updates. Did I do that? Of course not—what happened later proved the wisdom of this decision. ...
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