1.13. Memcached delete command

发布时间 : 2025-10-25 13:33:43 UTC      

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Memcached delete command is used to delete an existing key .

1.13.1. Syntax:

The delete basic syntax format of the command is as follows:

delete key [noreply] 

The parameters are described as follows:

  • key :Key value key-value in the structure key used to find cached values

  • noreply (optional): this parameter tells the server that there is no need to return data

1.13.2. Example

In the following example, we use the runoob as key the expiration time is set to 900 seconds And then we use delete command to delete the``key`` .

set runoob 0 900 9 memcached STORED get runoob VALUE runoob 0 9 memcached END delete runoob DELETED get runoob END delete runoob NOT_FOUND 

1.13.3. Output

Output information description:

  • DELETED :Deleted successfully.

  • ERROR :Syntax error or deletion failed.

  • NOT_FOUND : key doesn’t exist.

《地理信息系统原理、技术与方法》  97

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