在添加 case 语句之前,我没有收到错误。如果 H1 或 H2 手机字段为空或为空,我需要添加案例语句以提供家庭电话号码作为备份(作为新手,我知道如何做到这一点的最佳方法)。由于某种原因,我在查询表达式中收到语法错误(缺少运算符)。它指出了两个 case 语句的错误。据我所知,它们写得正确......有人知道怎么回事吗?谢谢。
SELECT [H1 Last Name] & ", " & [H1 First Name] as [Full Name],[H1 E-Mail]
CASE
WHEN [H1 Cell Phone] IS NULL
THEN [Home Phone]
ELSE [H1 Cell Phone] END as [Phone]
FROM NameLookup
WHERE (((NameLookup.[H1 Last Name]) NOT LIKE '%SPEC%') OR ((NameLookup.[H1 Last Name]) NOT LIKE '%MODEL%')) AND ((NameLookup.[H1 Last Name]) IS NOT NULL)
UNION
SELECT [H2 Last Name] & ", " & [H2 First Name] as [Full Name],[H2 E-Mail]
CASE
WHEN [H2 Cell Phone] IS NULL
THEN [Home Phone]
ELSE [H2 Cell Phone] END as [Phone]
FROM NameLookup
WHERE (((NameLookup.[H1 Last Name]) NOT LIKE '%SPEC%') OR ((NameLookup.[H1 Last Name]) NOT LIKE '%MODEL%')) AND ((NameLookup.[H1 Last Name]) IS NOT NULL)
Order By 1;
最佳答案
您在 MS Access ACE 中使用它吗?大小写不可用,请使用 IIF(argument, true value, false value)
SELECT [H1 Last Name] & ", " & [H1 First Name] as [Full Name],[H1 E-Mail],
IIF ( [H1 Cell Phone] IS NULL, [Home Phone], [H1 Cell Phone] ) AS Phone
FROM NameLookup
Access SQL 函数:http://www.techonthenet.com/access/functions/
关于sql - Access 2013 : Why am I getting this Syntax Error?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/22244110/