请各位大侠帮我看看这条查询语句（高分相送）

Question

FORM BaseInfo, DetailInfo, ContactInfo, OperationSituationn改为
FROM BaseInfo, DetailInfo, ContactInfo, OperationSituation

Answer 1

FORM BaseInfo, DetailInfo, ContactInfo, OperationSituation
里面的
‘FORM’ spell mistake

Answer 2

SELECT 
BaseInfo.uName, BaseInfo.ComID, BaseInfo.ComCode, BaseInfo.UserType, 
      BaseInfo.UserName, BaseInfo.UID, BaseInfo.RegData, DetailInfo.O_CnName, 
      DetailInfo.O_EnName, DetailInfo.ShopCardID, DetailInfo.StateTaxID, 
      DetailInfo.CitizeTaxID, DetailInfo.LegalDelegate, DetailInfo.ShopRegAddress, 
      DetailInfo.ShopRegDate, DetailInfo.ShopCardV, DetailInfo.RegFund, 
      DetailInfo.RegMoneyType, DetailInfo.RegClassfied, DetailInfo.RegAddress, 
      DetailInfo.RegZip, DetailInfo.SupplyType, DetailInfo.KeepType, 
      DetailInfo.BankAccount, DetailInfo.OpenBank, DetailInfo.Res, 
      ContactInfo.CompanyAddress, ContactInfo.ComPhone, ContactInfo.ComFax, 
      ContactInfo.ComZip, ContactInfo.ApplyWebSite, ContactInfo.Contact, 
      ContactInfo.ContactPhone, ContactInfo.ContactMobile, ContactInfo.ContactEmail, 
      OperationSituation.MainBusiness, OperationSituation.BelongVocation, 
      OperationSituation.MainProuducts, OperationSituation.ViceProject, 
      OperationSituation.ViceProducts, OperationSituation.CurrArchieve, 
      OperationSituation.ApproveOpinion 
FROM BaseInfo, DetailInfo, ContactInfo, OperationSituation
WHERE BaseInfo.uName = DetailInfo.uName AND 
      DetailInfo.uName = ContactInfo.uName AND 
      ContactInfo.uName = OperationSituation.uName

Answer 3

FORM BaseInfo, DetailInfo, ContactInfo, OperationSituation
-->
FROM BaseInfo, DetailInfo, ContactInfo, OperationSituation