Question

有人可以帮我弄清楚以下T-SQL语法有什么问题吗？

SELECT 
    p.CompanyId, COUNT(*) as PolicyCount, c.CompanyId, c.CompanyName
FROM 
    dbo.Policy p
    INNER JOIN dbo.Company c ON p.CompanyId = c.CompanyId
WHERE 
    p.PolicyIssuingDate BETWEEN @StartDate AND @EndDate
GROUP BY
    p.PolicyId

我一直收到以下语法错误：

Column 'dbo.Policy.CompanyId' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause.

有什么建议吗？

更新

好的，感谢您的输入人员，我想出来......这是解决方案：

SELECT 
    p.CompanyId, COUNT(p.PolicyId) as PolicyCount, c.CompanyName
FROM 
    dbo.Policy p
    INNER JOIN dbo.Company c ON p.CompanyId = c.CompanyId
WHERE 
    p.PolicyIssuingDate BETWEEN @StartDate AND @EndDate
GROUP BY
    p.CompanyId, c.CompanyName

Answer 1

根据您的查询，您正在尝试计算具有相同policyID且发布日期介于@startdate和@enddate之间的记录但问题是你选择不在group by子句中的companyid

T-SQL语法错误：列“dbo.Policy.CompanyId”在选择列表中无效

1 个答案: