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Fuzzy-String Searching: UDF and CTE performance

Tom Keller
60 minutes
SQL Dev Track
How do you find information that was saved misspelled, or when your search is misspelled? Fuzzy-string processing! And if your information is in a database, the best place to do that processing is in the database. But there are some performance lessons to learn along the way. This session graphically illustrates the Damerau-Levenshtein Distance algorithm, and explains how it was optimized for T-SQL, using and Confio Ignite.

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