Duplicate row mysql

Mysql find duplicates in same table

## Find ALL duplicate recods by value (without grouping them by value) ##
# to find the duplicate, 
# replace all instances of tableName with your table name
# and all instances of duplicateField with the field name where you look for duplicates
SELECT t1.*
FROM tableName AS t1
INNER JOIN(
	SELECT duplicateField
	FROM tableName
	GROUP BY duplicateField
	HAVING COUNT(duplicateField) > 1
)temp ON t1.duplicateField = temp.duplicateField
order by duplicateField

Finding duplicate rows mysql

SELECT name, COUNT(*) c FROM table GROUP BY name HAVING c > 1;

Source: stackoverflow.com

Duplicate row mysql

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

Source: stackoverflow.com

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