Redis basic commands are listed and briefly explained in this document

DB_Redis_Basic_Commands.md

REDIS Commands

• Online resource: https://redis.io/documentation
• Free Redis Desktop Manager: https://redis-desktop-manager.software.informer.com/

Overview

• Overview of the server
  • INFO ALL
• Overview of memory
  • INFO MEMORY

Databases

There are 16 databases in a common Redis server: 0 to 15

• Overview of all databases
  • INFO KEYSPACE
• Select database 0
  • SELECT 0
• Number of keys in current database
  • dbsize

Keys

• Get a list of keys:
  • SCAN 0
• Get a list of keys starting from cursor position of 0, keys matching pattern * i.e. anything, no more than 100 keys:
  • SCAN 0 MATCH * COUNT 100
• Get keys matching a pattern:
  • e.g. KEYS <key_prefix>*
• Check if key exists
  • EXISTS <key>
• Get object type
  • type <key>
  • OBJECT ENCODING <key>
• Get key's seconds remaining to expire
  • TTL <key>
• Get key's idle time
  • OBJECT IDLETIME <key>

Hashtables

• Get key, values or both inside a Hashtable
  • HGETALL <key>
  • HKEYS <key>
  • HVALS <key>
  • HLEN <key>
• Get all, with definition of cursor position and count
  • HSCAN <key> 0 COUNT 100