mysql中列转行,并多个字段转到一行中的一个字段上,中间用逗号分开
SELECT group_concat(a.id SEPARATOR ',') AS ids FROM ( SELECT * FROM tablename WHERE 1 = 1 ORDER BY rand() LIMIT 10 ) a
mysql中列转行,并多个字段转到一行中的一个字段上,中间用逗号分开
SELECT group_concat(a.id SEPARATOR ',') AS ids FROM ( SELECT * FROM tablename WHERE 1 = 1 ORDER BY rand() LIMIT 10 ) a