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我有这张桌子 id valor 1 4 1 3 2 2 3 3 3 1
所以,我需要咨询一下,答案是
id valor 1 4,3 2 2 3 3,1
我与 SQLite 管理员一起工作..请有人知道我该怎么做?
SELECT id, group_concat(valor) AS valor FROM this_table GROUP BY id