mset ps:hello1 hello1 ps:hello2 hello2 ps:hello3 hello3 get ps:hello1 scan 0 MATCH "ps:hello*" count 5 set ps:counter 0 get ps:counter incrby ps:counter 3 get ps:counter set ps:counter1 3.3 get ps:counter1 get ps:counter hset ps:userDetails name Prabu city Blr pin 560076 hget ps:userDetails name hgetall ps:userDetails hexists ps:userDetails pin hdel ps:userDetails pin hkeys ps:userDetails hvals ps:userDetails hlen ps:userDetails hstrlen ps:userdetails name hset hash-one a "abc" hincrby hash-one b 10 hgetall hash-one hget hash-one foo
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Redis is a open source, no SQL database which works on the concept of key-value pair.
| Command | Syntax |
|---|---|
| Set | SET KEY_NAME VALUE |
| Get | GET KEY_NAME |
| Getset | GETSET KEY_NAME VALUE |
| SetRange | SETRANGE KEY_NAME OFFSET VALUE |
| Strlen | STRLEN KEY_NAME |
| Append | APPEND KEY_NAME NEW_VALUE |
| Exists | EXISTS KEY_NAME |
| Delete | del KEY_NAME |
| Increment counter | incr KEY_NAME |
| Decrement counter | decr KEY_NAME |
| Push Value to List | lpush listName value |
| Push Value to Start/Beginning | rpush listName value |
| Push Value to List only if it exists | lpushx listName value |
| Remove & return value from list | lpop listName |
| Remove & return value from Start/Beginning | rpop listName |
| Set xth position element to value | lset listName x-1 value |
| Check if hash key exists | hexists hashName field |
| Get a hash key | hget hashName field |
| Delete a hash key | hdel hashName field |
| Get all hash content | hgetall hashName |
| List all hash keys | hkeys hashName |
| List number of hash keys | hlen hashName |
| Get multiple hash keys | hmget key1 key2 ... |
| Set multiple hash keys | hmset key1 value1 key2 value2... |
| Increment a hash key | hincrby hashName field incrValue |