“Utilisez Concat dans Group_Concat” Réponses codées

Utilisez Concat dans Group_Concat

SELECT GROUP_CONCAT(
	CONCAT(
		'{ID:',	ID,
        ',ParentID:', ParentID,
        '}'          
	) SEPARATOR ","
) FROM table

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Utilisez Group_Concat dans Concat

SELECT
    CONCAT(`Name`, ':', GROUP_CONCAT(`Value` SEPARATOR ',')) AS `Name`
FROM table
GROUP BY `Name`

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