Figure 2 shows a decision table that assigns shipping and handling charges for various combinations of package weight and volume.
图2显示了为包裹的各种重量与体积组合分配运输和处理费用的决策表。
SHIPPED item information (SHIPPEDORDER) : This table contains shipping ID, Customer ID, type of box ordered, number ordered, and date ordered.
发货信息(SHIPPEDORDER):这个表包含发货id、客户ID、订购的箱子类型、订购的数量和订购的日期。
These valid shipping companies are stored in the shippers table and do not have to be retrieved every time data is queried from the database.
这些有效的货运公司会储存在货运公司资料表中,而且也不必每次查询资料库中的资料时便撷取这些资讯。
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