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摘要: db.users.find() select * from users db.users.find({"age" : 27}) select * from users where age = 27 db.users.find({"username" : "joe", "age" : 27}) sel 阅读全文
posted @ 2020-04-12 09:44 薄荷加冰2060 阅读(524) 评论(0) 推荐(0)