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                ## 查詢文檔 ``` // 語法 .pretty()格式化查看 db.集合名.find({字段:{運算符:值}},{字段名: 1只看,0除了}) // 示例 db.user.find({age: {$gt: 5}}) ``` | 運算符 | 作用 | | --- | --- | | $gt | 大于 | | $gte | 大于等于 | | $lt | 小于 | | $lte | 小于等于 | | $ne | 不等于 | | $in | in | | $nin | not in |
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