if i have table data that is indexed using full text search in Microsoft SQL server 2005 that includes raw table data such as "test2" should a query using FTS find a match if the search string is "test"?
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please update question to include the sql query you are using for this search.– Sandeep Kumar MMay 13, 2011 at 19:35
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2 Answers
Yes you can use full text search in this case.
Select * from your_table WHERE CONTAINS(your_column, '"test*"' );
will find test2.
See section
C. Using CONTAINS with prefix_term in msdn
Full text search does allow certain types of near hits, similar terms, thesaurus etc. as outlined here: http://msdn.microsoft.com/en-us/library/cc879300.aspx
This may be specifically helpful. http://msdn.microsoft.com/en-us/library/ms142492.aspx
But most people end up using a traditional like statement to get partial matches as you have to format the full text query expecting that what was passed was potentially a prefix.
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1I wrote an application once where I wanted to support all the features of FTS. I ended up having to outline in the user manual that users would need to pass quotes, wildcards, and specific syntax themselves in order to do fuzzy searches. Some power users of the application were able to figure it out but most users never took advantage and then also complained that the index wasn't very good. Google has made search expectations pretty lofty for most lay-users.– RThomasMay 13, 2011 at 19:41