关于“使用 Join 和 Union 创建数据仓库”的评价

kasulabada R. · 已于 almost 3 years前审核

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Bijil S. · 已于 almost 3 years前审核

Ok

Bartosz M. · 已于 almost 3 years前审核

Checking for exact queries discourages students from experimenting and writing their own queries.

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