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What are searchable databases?

April 26, 2017databases searchable

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What are searchable databases?

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Most of the invisible web is made up of the contents of thousands of specialized searchable databases that you can search via the Web. The search results from many of these databases are delivered to you in web pages that are generated just in answer to your search. Such pages very often are not stored anywhere: it is easier and cheaper to dynamically generate the answer page for each query than to store all the possible pages containing all the possible answers to all the possible queries people could make to the database. Search engines cannot find or create these pages generated by Searchable databases.