Redis Expire Command

Redis Key (Key)

The Redis Expire command is used to set the expiration time of the key, and the key will no longer be available after expiration. The unit is in seconds.

Syntax

The basic syntax of the redis Expire command is as follows:

redis　127.0.0.1:6379>　Expire　KEY_NAME　TIME_IN_SECONDS

Available version

>= 1.0.0

Return value

Setting successful returns 1 . When the key does not exist or cannot set an expiration time for the key (for example, in versions lower than 2.1.3 If you try to update the expiration time of the key in a version of Redis lower than

Online Examples

First, create a key and assign a value:

redis　127.0.0.1:6379>　SET　runooobkey　redis
OK

Set expiration time for key:

redis　127.0.0.1:6379>　EXPIRE　runooobkey　60
(integer)　1

In the above example, we set the expiration time for the key runooobkey to 1 minute,1The key will be automatically deleted after one minute.

Redis Key (Key)