SQL Serverおよび/またはクエリ

Question

以下のクエリは、TC.ContractPartner列に0を返していますが、なぜ誰かが説明できますか？

私は念のために '0' を使用して試したゼロだったテキスト

select distinct tc.ID 
, tc.[Contact Partner] 
, so.BusinessPartnerNumber 
, tc.[Actual Date From] 
, SO.ServiceOrder 
, SO.ServiceProduct 
, so.SOCreatedOn 

from AB.TradComplaints_Temp as TC 

left Join main.Tbl_ServiceOrder as SO on SO.BusinessPartnerNumber = tc.[Contact Partner] 

where tc.[Contact Partner] is not null 
and tc.[Actual Date From] > so.SOCreatedOn 
and so.SOCreatedOn > (tc.[Actual Date From]-90) 
and so.ServiceOrder is not null 

or tc.[Contact Partner] <> 0 
and tc.[Actual Date From] > so.SOCreatedOn 
and so.SOCreatedOn > (tc.[Actual Date From]-90) 
and so.ServiceOrder is not null 
order by tc.ID 

Answer 1

andに変更or：？あなたがなりたい場合は

and so.ServiceOrder is not null 
and tc.[Contact Partner] <> 0 

Answer 2

とき

so.ServiceOrder is not null or tc.[Contact Partner] <> 0  

その後、論文をグループにまとめます。

select distinct tc.ID 
, tc.[Contact Partner] 
, so.BusinessPartnerNumber 
, tc.[Actual Date From] 
, SO.ServiceOrder 
, SO.ServiceProduct 
, so.SOCreatedOn 

from AB.TradComplaints_Temp as TC 

left Join main.Tbl_ServiceOrder as SO on SO.BusinessPartnerNumber = tc.[Contact Partner] 

where tc.[Contact Partner] is not null 
and tc.[Actual Date From] > so.SOCreatedOn 
and so.SOCreatedOn > (tc.[Actual Date From]-90) 
and (so.ServiceOrder is not null 

or RTRIM(LTRIM(tc.[Contact Partner])) <> '0') 
and tc.[Actual Date From] > so.SOCreatedOn 
and so.SOCreatedOn > (tc.[Actual Date From]-90) 
and so.ServiceOrder is not null 
order by tc.ID