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Merge pull request #1864 from liubobo1996/main

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[docs fix]修正 expire 命令的使用
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docs/database/redis/redis-questions-01.md
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@ -322,7 +322,7 @@ io-threads 4 #官网建议4核的机器建议设置为2或3个线程，8核的
Redis 自带了给缓存数据设置过期时间的功能，比如： Redis 自带了给缓存数据设置过期时间的功能，比如：
```bash ```bash
127.0.0.1:6379> exp key 60 # 数据在 60s 后过期 127.0.0.1:6379> expire key 60 # 数据在 60s 后过期
(integer) 1 (integer) 1
127.0.0.1:6379> setex key 60 value # 数据在 60s 后过期 (setex:[set] + [ex]pire) 127.0.0.1:6379> setex key 60 value # 数据在 60s 后过期 (setex:[set] + [ex]pire)
OK OK