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The DSLR Field Guide by Michael Freeman

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Databases

Databases differ from browsers in that although it’s possible to view images with database software, their primary function is to help you manage a large collection of photographs.

In order to make the most efficient use of a database, you will need to plan from the start exactly how you allocate file names. There are many possible ways, but whatever you choose it must be logical and allow easy searches. Most large image databases use a numerical identifier, but you can add a secondary description. Searching is normally performed on keywords. There may be occasions when you need to save different versions of an image, and these will need either a different suffix (for instance, .jpg and .tif if you save an image in two file formats) ...

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