以铁路售票系统为例，介绍了数据仓库的创建。
Taking the freight invoice system as example, this article introduces the creation of data warehouse.
昨日，记者从沈阳站、沈阳北站得到证实，他们的铁路售票系统也正在升级，升级工作预计在本月末前完成。
Shenyang Railway Station and North Shenyang Railway Station yesterday confirmed their systems are under upgrading and will complete by the end of this month.
交通系统也是，例如德国的铁路系统，依赖于互联网来连接售票和咨询系统。
Transport systems, too, such as the German railway system, rely on it to link ticketing and information networks.
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