SQL语句 合并列值 将一列的多个值合并成一行

效果:           oralce写法: select WM_CONCAT(A.title) as citys from tmpcity A   sql server写法: select stuff((select ','+A.title from tmpCity A FOR xml PATH('')), 1, 1, '') as citys   mysql写法: select GROUP_
相关文章
相关标签/搜索