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条件运算符>、<、>=、<=在mongodb中是怎么表示？查询100<t<200在某个范围内的数据shell命令该怎样实现？
@PlantWang
$gt, $gte, $lt, $lte
db.xxx.find({$and:[{t:{$gt:100}}, {t:{$lt:200 }}]})
請參考
https://docs.mongodb.com/manual/reference/operator/query-comparison/
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