MySQL: Check for douplicates
Using a MySQL query, I want to find all records from the table `zoo` where the value of `foobar`occurs exactly the same more than once.
SELECT * FROM `zoo` WHERE `foobar` IS NOT UNIQUE
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MySQL Server
MySQL is an open source, relational database management system that runs as a server providing multi-user access to a number of databases. Acquired by Oracle in 2009, it is frequently used in combination with PHP installations, powering most of the WordPress installations.
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