本课内容目前为英文。
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A query is a question you send to the database, and the answer comes back as a table. The most common query has just two parts: what you want, and where it lives.
本课内容目前为英文。
A query is a question you send to the database, and the answer comes back as a table. The most common query has just two parts: what you want, and where it lives.