one, the creation of a Beijing customers include only information customer_beijing View. 2. Inquiries customer_beijing View Beijing customers access information. 3, as amended customer_beijing View Beijing customers include only the credibility of a hierarchy of View. 4, delete customer_beijing View. 5, the creation of a ordersum_goods View, the contents of every commodity and the name of each commodity and the amount of total orders. 6, inquiries ordersum_goods View, access to the name of each commodity and each commodity and the amount of total orders.

实验 5 创建和使用视图.doc

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