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PostgreSQL: The world's most advanced open source database.

Software. Hardware. Complete. Jaro-Winkler’s Algorithm Part One, Oracle utl_match Built-in Function at Waldar's SQLing and Datawarehousing Place. A Visual Explanation of SQL Joins. I love the concept, though, so let's see if we can make it work.

A Visual Explanation of SQL Joins

Assume we have the following two tables. Table A is on the left, and Table B is on the right. Tech on the Net. Various stuff.