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                ### mongodb的應用場景 > 1. mongodb適合做大數據,畢竟是nosql,所以讀取速度快。 > 2. 比較復雜的數據類型查詢,比如類型為數組、json等,用mongodb進行檢索特別適合。 ### mongodb的缺點 > 1. 事務支持很差
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