Redis String Command

Redis strings commands are used to manage the string value of Redis storage. In this session, I will show you how to store string, how to retrieve and to delete string data form the Redis database. 

 

Show all keys:

keys *

 

Set string value / Insert string data into redis:

Syntax:

set key value

Example: 

set name "Art of CSE"

 

Get string data:

Syntax:

get key

Example:

get name

 

Delete string data:

Syntax:

del key

Example:

del name

 

Delete All Data:

FLUSHALL

 

Some other string commands:

Commands Description	Syntax	Example
Getting Substring of a string	GETRANGE key start end	GETRANGE name 0 2
Set the value and return its old value or nil for the new key	GETSET key value	GETSET name "The Art of CSE"
Getting the value of multiple keys	MGET key1 key2	MGET name email
Store string with expire second	SETEX key seconds value	SETEX temp 5 "Temp value"
Store string only if key doesn't exist	SETNX key value	SETNX id_number 23324
Getting the length of the string	STRLEN key	STRLEN name
Store Multiple keys values	MSET key1 value1 key2 value2	MSET one "Hello" two "World"
Increment Integer Value by 1	INCR key	INCR id_number
Increment Integer value by a given amount	INCRBY key increment	INCRBY id_number 5
Decrement Integer Value by 1	DECR key	DECR id_number
Decrement Integer value by a given amount	DECRBY key decrement	DECRBY id_number 5
Append the value with the existing value	APPEND key value	APPEND name " Website"