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bcalloway/mysql_dupes.sql

Created September 22, 2010 22:08
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SQL query to find duplicate records
Raw
mysql_dupes.sql
SELECT t1.*
FROM table1 AS t1
JOIN (SELECT col1
FROM table1
GROUP BY col1
HAVING count(col1) > 1) AS t2 ON t1.col1 = t2.col1
(where col1 is the column containing the duplication)
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