SQL searching table fields with LIKE

Posted by Tom Gullen on Stack Overflow See other posts from Stack Overflow or by Tom Gullen
Published on 2011-03-03T15:22:58Z Indexed on 2011/03/03 15:24 UTC
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Given your data stored somewhere in a database:

Hello my name is Tom I like dinosaurs to talk about SQL.  SQL is amazing.  I really like SQL.

We want to implement a site search, allowing visitors to enter terms and return relating records. A user might search for:

Dinosaurs

And the SQL:

WHERE articleBody LIKE '%Dinosaurs%'

Copes fine with returning the correct set of records.

How would we cope however, if a user mispells dinosaurs? IE:

Dinosores

(Poor sore dino). How can we search allowing for error in spelling? We can associate common misspellings we see in search with the correct spelling, and then search on the original terms + corrected term, but this is time consuming to maintain.

Any way programatically?

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