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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## 數據庫切換 * 查看當前數據庫名稱 ~~~ db ~~~ * 查看所有數據庫名稱 * 列出所有在物理上存在的數據庫 ~~~ show dbs ~~~ * 切換數據庫 * 如果數據庫不存在,則指向數據庫,但不創建,直到插入數據或創建集合時數據庫才被創建 ~~~ use 數據庫名稱 ~~~ * 默認的數據庫為test,如果你沒有創建新的數據庫,集合將存放在test數據庫中 ## 數據庫刪除 * 刪除當前指向的數據庫 * 如果數據庫不存在,則什么也不做 ~~~ db.dropDatabase() ~~~
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