我正在尝试开发一个查询以仅返回非重复记录,以便我可以将这些记录添加到我的数据库中,但我不断收到重复记录错误。
我尝试了您的解决方案,但仍然遇到重复错误问题。我删除了重复的 35 行。还有什么可能导致这种情况?这是我的查询。我认为部分混淆是 measureid 是 j5c_MasterMeasures 中的单个列,但该值来自 j5c_ListBoxMeasures_Sys 中的两个字段。
CREATE TABLE #GOOD_RECORDS3 (STUDENTID VARCHAR(50), MEASUREDATE SMALLDATETIME, MEASUREID VARCHAR(100),
score_10 VARCHAR(100))
INSERT INTO #GOOD_RECORDS3
select A.studentid, A.measuredate, B.measurename+' ' +B.LabelName, A.score_10
from [J5C_Measures_Sys] A join [J5C_ListBoxMeasures_Sys] B on A.MeasureID = B.MeasureID
except
select A.studentid, A.measuredate, B.measurename+' ' +B.LabelName, A.score_10
from [J5C_Measures_Sys] A join [J5C_ListBoxMeasures_Sys] B on A.MeasureID = B.MeasureID
GROUP BY A.studentid, A.measuredate, B.measurename, B.LabelName, A.score_10
having COUNT(A.score_10) > 1
delete #GOOD_RECORDS3
from #GOOD_RECORDS3 a
join sysobjects so on so.name = 'J5C_Measures_Sys' AND so.type = 'u'
join syscolumns sc on so.id = sc.id and sc.name = 'score_10'
join [J5C_MeasureNamesV2_Sys] v on v.Score_field_id = sc.name
WHERE A.SCORE_10 IS NOT NULL AND A.STUDENTID IS NOT NULL AND A.MEASUREID IS NOT NULL
and exists (select 1 from J5C_MasterMeasures M
where M.StudentID = A.StudentID
and M.MeasureID = A.MeasureID)
Insert into J5C_MasterMeasures (studentid, measuredate, measureid, nce)
select A.studentid, A.measuredate, a.MEASUREID, A.score_10
from #GOOD_RECORDS3 a
join sysobjects so on so.name = 'J5C_Measures_Sys' AND so.type = 'u'
join syscolumns sc on so.id = sc.id and sc.name = 'score_10'
join [J5C_MeasureNamesV2_Sys] v on v.Score_field_id = sc.name
WHERE A.SCORE_10 IS NOT NULL AND A.STUDENTID IS NOT NULL AND A.MEASUREID IS NOT NULL