Answers for "why duplicates in mysql tables"

find duplicates mysql column

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

Posted by: Guest on April-20-2020

duplicate row mysql

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

Posted by: Guest on May-20-2021

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