更好的存储过程代码? [英] Better code for stored procedure?

问题描述

这是我的sp，可以从两个表中获取详细信息

hi here is my sp to get details from two tables

create PROCEDURE [dbo].[usp_GetCategoryByID1]
@ID int
AS BEGIN
select  tblCategory.*,tblContractType.*
From tblCategory left outer join tblContractType on tblCategory.catContractTypeID=tblContractType.cttContractTypeID
 and tblContractType.cttisDelStatus='0'
where catID=@ID and tblCategory.catisDelStatus='0'
 END

我想更改此sp，我想再添加一张表格以获取详细信息

tblCategorySub

和@ ID = subcID ..任何人都可以建议我如何加入此sp ..

感谢

and i want to alter this sp i want to add one more table to get details

tblCategorySub

and @ID=subcID..can any one suggest me how to join in this sp..

thanks

推荐答案

要更改您的过程，请使用Alter 关键字，我们如何知道您的表结构和关系?

To alter your procedure use Alter keyword and how do we know your table structure and relation??

Alter PROCEDURE [dbo].[usp_GetCategoryByID1]
@ID int
AS BEGIN
--Write your sql query here..

select  tblCategory.*,tblContractType.*,tblCategorySub.*
From tblCategory left outer join tblContractType on tblCategory.catContractTypeID=tblContractType.cttContractTypeID 
--here I added (change your table name according to your table structure and relation)
inner join tblCategorySub on tblCategory.subcID= tblCategorySub.subcID
--upto here
 and tblContractType.cttisDelStatus='0'
where catID=@ID and tblCategory.catisDelStatus='0'

 END

嗨..

请尝试以下查询.

Hi ..

Please try the below query .

Alter  PROCEDURE [dbo].[usp_GetCategoryByID1]
@ID int
AS BEGIN
select  tblCategory.*,tblContractType.*
From tblCategory left outer join tblContractType 
on tblCategory.catContractTypeID=tblContractType.cttContractTypeID
join tblCategorySub on tblCategorySub.subcID =tblCategory.catContractTypeID
 
and tblCategorySub.@ID=subcID
 and tblContractType.cttisDelStatus='0'
 
where catID=@ID and tblCategory.catisDelStatus='0'
 END

select  tblCategory.*,tblContractType.*
From tblCategory 
 left outer join tblContractType on (tblCategory.catContractTypeID=tblContractType.cttContractTypeID)

left outer join tblCategorySub  on 
(tblCategorySub.ID=tblCategory.subid)

where catID=@ID and tblCategory.catisDelStatus='0' and  tblContractType.cttisDelStatus='0'

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