find duplicates mysql column
SELECT name, COUNT(*) c FROM table GROUP BY name HAVING c > 1;
find duplicates mysql column
SELECT name, COUNT(*) c FROM table GROUP BY name HAVING c > 1;
find duplicate keys in mysql
SELECT col, COUNT(col) FROM table_name GROUP BY col HAVING COUNT(col) > 1;
select where duplicate mysql
SELECT col1, COUNT(col1), col2, COUNT(col2) FROM table_name GROUP BY col1, col2 HAVING (COUNT(col1) > 1) AND (COUNT(col2) > 1);
mysql get latest duplicate rows
SELECT t1.primary_id, t1.duplicate_id, t1.data1, t1.data2 FROM table_name t1 LEFT JOIN table_name t2 ON (t1.duplicate_id = t2.duplicate_id AND t1.primary_id < t2.primary_id) WHERE t2.primary_id IS NULL
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