The expression after ELSE should have the same type as those after THEN: "bigint" is expected but "i hive中执行sql语句: select pc.category_id, sum(case when t.so_month between 3 and 5 then t.order_item_num else 0 end) as spring, sum(case when t.
问题描述 实现使用C#语言,在.net开发平台中执行sql语句 实现使用C#语言,在.net开发平台中执行sql语句了,如查询某张表数据,向某张表插入一条数据,在某张表中编辑一条数据,删除某张表的一条数据. 解决方案 给你段代码,你参考一下 using System; using System.Collections.Generic; using System.Text; using System.Data; using System.Data.SqlClient; using System.W