ms-access：将列显示为“其他内容”

Question

我有以下访问sql语句：

SELECT *
FROM (SELECT [Occurrence Number], [Occurrence Date], [1 0 Preanalytical (Before Testing)], [Cup Type], NULL as '2 0 Analytical (Testing Phase)', [2 0 Area], NULL,NULL FROM [Lab Occurrence Form] 
WHERE NOT ([1 0 Preanalytical (Before Testing)] IS NULL)

在此：NULL as '2 0 Analytical (Testing Phase)'，当它显示列时，它显示单引号。如果我完全删除引号它会给我一个错误，如果我使用双引号它会在结果表中显示双引号

是否可以不显示任何引号？

Answer 1

在列名称周围使用方括号，在字符串周围使用单引号。请尝试使用方括号：

NULL as [2 0 Analytical (Testing Phase)]

Answer 2

使用与您相同的语法

NULL as [2 0 Analytical (Testing Phase)]