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Line 12: == Components == Searching for textual content in [[databases]] or [[structured data]] formats (such as [[XML]] and [[Comma-separated values\|CSV]]) presents special challenges and opportunities which specialized search engines resolve. [[Databases]] allow logical queries such as the use of multi-field [[Boolean logic]], while full-text searches do not. "Crawling" (a human by-eye search) is not necessary to find information stored in a database because the data is already structured. [[index (~~datatbase~~database)\|Indexing]] the data allows for faster searches. Database search engines are usually included with major database software products. == Applications == Line 22: ==See also== [[Outline of search engines]] [[Search engine]] [[~~Web~~List ~~crawler~~of search engines]] [[Search engine indexing]] [[Search engine optimization]] [[Enterprise search]] ==External links==