SQL SELECT 多列合二为一
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时间:2020-09-01 12:12:11 来源:igfitidea点击:
SQL SELECT multiple columns into one
提问by Mario M
I have this query in SQL Server 2008:
我在 SQL Server 2008 中有这个查询:
SELECT Id, Year, Manufacturer, Model
FROM Table
and I need something like this...
我需要这样的东西......
SELECT Id, (Year + [space] + Manufacturer + [space] + Model) AS MyColumn
FROM Table
How can I get this result?
我怎样才能得到这个结果?
采纳答案by Justin
I think all integer or numeric data types you need convert to String data type. When you can create your new column.
我认为您需要将所有整数或数字数据类型转换为字符串数据类型。何时可以创建新列。
Query:
询问:
SELECT Id, (Cast([Year] as varchar(4)) + ' ' + Manufacturer + ' ' + Model) AS MyColumn
FROM Tablename
回答by John Woo
just use ' '
只是使用 ' '
SELECT Id, ([Year] + ' ' + Manufacturer + ' ' + Model) AS MyColumn
FROM Tablename

