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Metadata Search on the Image Table
As described in an earlier section, a database containing metadata is connected to the search engine. All
of the image-specific metadata is stored in the image table. A search on metadata corresponds to either a point query or a range query. The query is translated by the Query Parser directly into SQL
statements of the form, Select  From Where . Metadata searches are precise, and they are usually the first step in pruning the search space. |
