What is full text search?

Full text search is a technique for retrieving the files matching the retrieval keys. It's a computer program by scanning a computer-stored document or database. In a full text search, the search engine examines all of the words in every stored document as it tries to match search words supplied by the user.

In function, full text search system need to have these functions: creating the index, result set execute query (String SQL), adding index, and optimizing indexed file structure. The function in structure has the index engine, query engine, text analysis engine, hook function and so on.

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