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;
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);
duplicate row mysql
# Duplicate rows or row INSERT INTO table (col1, col2, col3) SELECT col1, col2, col3 FROM table WHERE something...;
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