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full-text-search-and-semantic-search-functions-transact-sql.md

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title description author ms.author ms.date ms.service ms.subservice ms.topic helpviewer_keywords dev_langs
Full-Text Search and Semantic Search Functions (Transact-SQL)
Full-Text Search and Semantic Search Functions (Transact-SQL)
MikeRayMSFT
mikeray
03/06/2017
sql
system-objects
reference
semantic search [SQL Server], system functions
TSQL

Full-Text Search and Semantic Search Functions (Transact-SQL)

[!INCLUDE SQL Server]

This section describes the system functions related to full-text search and semantic search.

Full-Text Search Functions

CONTAINSTABLE (Transact-SQL)
Returns a table of zero, one, or more rows for those columns containing precise or fuzzy (less precise) matches for single words and phrases, the proximity of words within a certain distance of one another, or weighted matches.

FREETEXTTABLE (Transact-SQL)
Returns a table of zero, one, or more rows for those columns containing values that match the meaning, and not just the exact wording, of the text in the specified freetext_string.

Semantic Search Functions

semantickeyphrasetable (Transact-SQL)
Returns a table with zero, one, or more rows for those key phrases associated with columns in the specified table.

semanticsimilaritydetailstable (Transact-SQL)
Returns a table of zero, one, or more rows of key phrases common across two documents (a source document and a matched document) whose content is semantically similar.

semanticsimilaritytable (Transact-SQL)
Returns a table of zero, one, or more rows for those columns whose content is semantically similar to a specified document.