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MySQL: ordina i valori GROUP_CONCAT
In breve: c'è un modo per ordinare i valori in un'istruzione GROUP_CONCAT? Query: GROUP_CONCAT((SELECT GROUP_CONCAT(parent.name SEPARATOR " &raquo; ") FROM test_competence AS node, test_competence AS parent WHERE node.lft BETWEEN parent.lft AND parent.rgt AND node.id = l.competence AND parent.id != 1 ORDER BY parent.lft) SEPARATOR "<br />\n") AS competences Ottengo questa …