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Which is the best predicate for a full text query?
The following info helps you to choose the best predicate or function for your query: Usage. Use the full-text predicates CONTAINS and FREETEXT in the WHERE or HAVING clause of a SELECT statement. Results. The CONTAINS and FREETEXT predicates return a TRUE or FALSE value that indicates whether a given row matches the full-text query.
What do the contains and freetext predicates do?
The CONTAINS and FREETEXT predicates return a TRUE or FALSE value that indicates whether a given row matches the full-text query. Matching rows are returned in the result set. More options. You can combine the predicates with any of the other Transact-SQL predicates, such as LIKE and BETWEEN.
How to query with full text search in SQL Server?
USE AdventureWorks2012 GO SELECT KEY_TBL.RANK, FT_TBL.Description FROM Production.ProductDescription AS FT_TBL INNER JOIN FREETEXTTABLE (Production.ProductDescription, Description, ‘perfect all-around bike’) AS KEY_TBL ON FT_TBL.ProductDescriptionID = KEY_TBL. [KEY] ORDER BY KEY_TBL.RANK DESC GO
When is an asterisk considered a wildcard in full text search?
If the text and asterisk are not delimited by double quotation marks, as in CONTAINS (DESCRIPTION, ‘top*’), full-text search does not consider the asterisk to be a wildcard.. When the prefix term is a phrase, each token making up the phrase is considered a separate prefix term.
What can I combine with Transact-SQL predicates?
You can combine the predicates with any of the other Transact-SQL predicates, such as LIKE and BETWEEN. You can specify either a single column, a list of columns, or all columns in the table to be searched.
What makes a phrase valid in full text search?
In full-text search, a word (or token) is a string whose boundaries are identified by appropriate word breakers, following the linguistic rules of the specified language. A valid phrase consists of multiple words, with or without any punctuation marks between them.