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;
duplicate row mysql
# Duplicate row and change values in the duplicated row INSERT INTO table (col1, col2, col3) # manually insert data to the duplicated row SELECT "new value", "new value", "new value" FROM table WHERE something...;
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