思路把数据保存为带分隔符长字符串，如"aaa,bbb,ccc,ddd,..."，利用字符串方法遍历每个元素知识点查询结果拼接成字符串查询字符数组元素个数获取字符数组指定元素sql try...catch事务-- 删除fun If Exists (Select * from sys.objects where name ='Get_StrArrayLength' and type =N'FN...