我是SQL的新手（约4个月）并尝试替换我无法访问底层SQL代码的过时报告。在尝试替换它时，我已将以下内容作为测试，但在关键字＆＃39; AS＆＃39;附近出现错误＆＃39;语法错误。
当我删除两个AS语句时，我在关键字＆＃39; FROM＆＃39;附近出现错误＆＃39;语法错误。我忽略了一些非常基本的东西吗？我还在学习CASE语句，但我相信我在这里正确使用Case Searched格式来允许布尔WHEN语句。提前谢谢。
DECLARE @DATE AS DATETIME
SET @Date=GETDATE()
SELECT
j.team_name
, r.contractname
, r.contracttype
, r.requisitiontype
, r.reason
, r.hm
, j.city_name
, j.state_name
, j.positionid
, r.nci_job_title
, r.recruiter
, j.created_datetime
, DATEDIFF(d,j.created_datetime,@Date
, r.anticipatedstartdate
, DATEDIFF(d,@Date,r.anticipatedstartdate)
, CASE
WHEN c.hiring_status_desc = 'Applicant Submittal' AND DATEDIFF(d,@Date,c.DateCreated) < 7 THEN COUNT(c.DateCreated)
ELSE 0
END AS 'SubmittalsThisWeek'
, CASE
WHEN c.hiring_status_desc = 'Applicant Submittal' THEN COUNT(c.DateCreated)
ELSE 0
END AS 'TotalSubmittals'
--Add more cases
FROM tblrequisition r
JOIN tbljobs j
ON r.positionid = j.positionid
JOIN tbl candidateinterviewstat c
ON r.requisition_id = c.requisition_id
WHERE r.[requsition status] = 'Open'
AND r.positionid > 1000000
GROUP BY
j.team_name
, r.contractname
, r.contracttype
, r.requisitiontype
, r.reason
, r.hm
, j.city_name
, j.state_name
, j.positionid
, r.nci_job_title
, r.recruiter
, j.created_datetime
, DATEDIFF(d,j.created_datetime,@Date)
, r.anticipatedstartdate
, DATEDIFF(d,@Date,r.anticipatedstartdate)