Answers for "mysql duplicate rows without id"

SQL
0

mysql delete duplicate rows except one

DELETE FROM NAMES
 WHERE id NOT IN (SELECT * 
                    FROM (SELECT MIN(n.id)
                            FROM NAMES n
                        GROUP BY n.name) x)
Posted by: Guest on July-18-2020
0

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
-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...;
Posted by: Guest on May-20-2021

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