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                Redis RANDOMKEY命令用來獲取Redis數據庫的隨機鍵。 ## 返回值 一個隨機鍵(字符串)或nil,如果數據庫是空的。 ## 語法 redis RANDOMKEY命令的基本語法如下所示: ~~~ redis 127.0.0.1:6379> RANDOMKEY ~~~ ### 例子 首先,在Redis創建一些鍵,并在其中設置一些值。 ~~~ redis 127.0.0.1:6379> SET tutorial1 redis OK redis 127.0.0.1:6379> SET tutorial2 mysql OK redis 127.0.0.1:6379> SET tutorial3 mongodb OK ~~~ 現在得到Redis的隨機鍵。 ~~~ redis 127.0.0.1:6379> RANDOMKEY 1) tutorial3 ~~~
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