Answers for "mark a row if found duplicate mysql"

finding duplicate rows mysql

SELECT varchar_col
FROM table
GROUP BY varchar_col
HAVING COUNT(*) > 1;

Posted by: Guest on October-20-2021

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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