参数连接和分组 [英] parametric join and groupby

问题描述

亲爱的朋友，

我在数据集中编写sql代码，以准备查询以在Grids中显示它们.

请让我知道

1)有什么方法可以编写查询，使我加入它们的表中的字段是参数化的?

2)Groupby如何参数化?

我想让用户能够选择他要查询的字段.

关于

Dear Friends,

I write sql code in dataset in order to prepare my queries to show them in Grids.

Please let me know

1)Is there any way to write a query that the fields in tables that I join them be parametric?

2) How the Groupby can be parametric?

I want to give the user the ability to select the field he wants to get query .

Regards

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