我试过像这样添加外键...ALTERTABLEOrderLineItemADDCONSTRAINTFK_OrderLineItem_ShippingType_nameFOREIGNKEY(shippingType)REFERENCESShippingType(name);或者在Mysql5.5中像这样...altertableOrderLineItemaddforeignkeyFK_OrderLineItem_ShippingType(shippingType)referencesShippingType(name);每次我看到以下错误。[2011-11-1815:07:04][HY0

我试过像这样添加外键...ALTERTABLEOrderLineItemADDCONSTRAINTFK_OrderLineItem_ShippingType_nameFOREIGNKEY(shippingType)REFERENCESShippingType(name);或者在Mysql5.5中像这样...altertableOrderLineItemaddforeignkeyFK_OrderLineItem_ShippingType(shippingType)referencesShippingType(name);每次我看到以下错误。[2011-11-1815:07:04][HY0