[英]Placing column values in variables using single SQL query
In SQL server, how can I place the value of more than one column in variables using one query? 在SQL Server中,如何使用一个查询将多个列的值放在变量中?
Ex: my query is: 例如:我的查询是:
SELECT ET.ID,ET.Description,ET.DefaultTemplateText
FROM TBL_EMAILTEMPLATE ET
WHERE ET.NAME='OneWeekReminder'
I want to place the column values in variables. 我想将列值放在变量中。
You can use the following syntax: 您可以使用以下语法:
Declare @id INT
Declare @desc VarChar(100)
Declare @template VarChar(100)
SELECT @id = ET.ID, @desc = ET.Description, @template = ET.DefaultTemplateText
FROM TBL_EMAILTEMPLATE ET
WHERE ET.NAME='OneWeekReminder'
declare the variables first then set them in the select clause. 首先声明变量然后在select子句中设置它们。
declare
@ID int,
@Description varchar(10),
@DefaultTemplateText varchar(10)
select
@ID = ET.ID,
@Description = ET.Description,
@DefaultTemplateText = ET.DefaultTemplateText
from
TBL_EMAILTEMPLATE ET
where
ET.NAME = 'OneWeekReminder'
You can separate multiple assignments with a comma. 您可以使用逗号分隔多个作业。 For example:
例如:
declare @a varchar(50)
declare @b varchar(50)
select
@a = et.Description
, @b = et.DefaultTemplateText
from YourTable
Assuming only one row, 假设只有一行,
SELECT @id = ET.ID, @Description = ET.Description, @DefaultTemplateText = ET.DefaultTemplateText
FROM TBL_EMAILTEMPLATE ET
WHERE ET.NAME='OneWeekReminder'
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