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2025-04-01 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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This article mainly introduces how to query data in redis, which has certain reference value and can be used for reference by friends who need it. I hope you will learn a lot after reading this article. Next, let the editor take you to learn about it.
Redis check data:
To query data in redis, you need to connect to redis first.
1. Connect the service
[root@redis1-20 ~] # telnet 127.0.0.1 6380Trying 127.0.0.1...Connected to 127.0.0.1.Escape character is'^]'. # you can also log in with telnet, but you cannot view key's value [root@redis1-20 src] #. / redis-cli-p 6380#redis may have several services. You need to specify a port connection.
2. Redis has five data types: string,list,hash,set,zset. Different data types can be viewed in different ways.
3. View commands
String:get key: gets the value of the specified key
List:lrange key start end: get the value from start to end in the linked list. Start starts from 0. For example, the position of STATION1,D below is 0, the position of STATION1,D C is 0, the position of start end can also be negative, the position of the first element is-1, the position of the second to last element is-2, and so on.
Hash: hget hash-name key
Set:smembers key
Zset: zrange zset-name 0-1
4. You can view the existing key in Redis through keys *
Thank you for reading this article carefully. I hope it is helpful for everyone to share redis how to query the data content. At the same time, I also hope you can support us, pay attention to the industry information channel, and find out if you encounter problems. Detailed solutions are waiting for you to learn!
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