我有一个查询,为CSV导出准备一些客户数据:ct1.CON_FirstName AS billing_FirstName , ct1.CON_MiddleI AS billing_MiddleIshipping_Text , ct2.CON_FriendlyName AS shipping_FriendlyName , ct2.CON_Email AS shipping_Email
FROM CUSTOMERS cuLEFT JOIN CONTACT ct1 ON ct1.CON_CustomerID = cu</e