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我正在尝试编写一个SQL
查询,该查询将返回给定存款的房东信息,房产信息和主要租户信息。但是,我的查询似乎会返回一行,可能对于与该存款相关的每个租户而不是主租户,我想知道我哪里出错了。多个表上的SQL连接
SQL代码如下。
SELECT
IIF.ImportFileid,
Deposit.CertificateNumber AS DPCNumber,
Member.FirstNames AS LandlordFirstName, Member.LastNames AS LandlordLastNames,
Propertys.FullAddress,
Tenant.FirstNames AS LeadTenantFirstName, Tenant.LastNames AS LeadTenantLastNames
FROM tblMemberPropertyDepositTenantHistoryNominatedHistory
INNER JOIN tblMemberPropertyDepositTenantHistory AS Tenant
ON tblMemberPropertyDepositTenantHistoryNominatedHistory.MemberPropertyDepositTenantHistoryID = Tenant.MemberPropertyDepositTenantHistoryID
INNER JOIN tblMemberPropertyDeposits AS Deposit
ON Tenant.MemberPropertyDepositID = Deposit.MemberPropertyDepositID
INNER JOIN tblMemberProperties AS Propertys
ON Deposit.MemberPropertyID = Propertys.MemberPropertyID
INNER JOIN tblMembers AS Member
ON Propertys.MemberID = Member.MemberID
INNER JOIN import.CommonImportDeposits AS CID
ON Member.MemberID = CID.MemberID
INNER JOIN import.ImportFiles AS IIF
ON CID.ImportFileID = IIF.ImportFileID
WHERE IIF.ImportFileID = 1091
希望你可以从表的命名约定中看到它们是如何相关的。
您如何识别“主租户”? – Maess 2011-12-15 15:39:07