📜  group_concat 只返回一行 - SQL 代码示例

📅  最后修改于: 2022-03-11 15:05:33.449000             🧑  作者: Mango

代码示例1
/* 
    When using aggregate functions like GROUP_CONCAT you need to tell 
    the database about the column using which you want your data 
    to be combined. */