redis

Khóa học miễn phí Redis – Strings nhận dự án làm có lương

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Redis – Strings

Redis strings commands are used for managing string values in Redis. Following is the syntax for using Redis string commands.

Syntax

redis 127.0.0.1:6379> COMMAND KEY_NAME

Example

redis 127.0.0.1:6379> SET tutorialspoint redis 
OK 
redis 127.0.0.1:6379> GET tutorialspoint 
"redis"

In the above example, SET and GET are the commands, while tutorialspoint is the key.

Redis Strings Commands

Following table lists some basic commands to manage strings in Redis.

Sr.No Command & Description
1

This command sets the value at the specified key.
2

Gets the value of a key.
3

Gets a substring of the string stored at a key.
4

Sets the string value of a key and return its old value.
5

Returns the bit value at the offset in the string value stored at the key.
6

Gets the values of all the given keys
7

Sets or clears the bit at the offset in the string value stored at the key
8

Sets the value with the expiry of a key
9

Sets the value of a key, only if the key does not exist
10

Overwrites the part of a string at the key starting at the specified offset
11

Gets the length of the value stored in a key
12

Sets multiple keys to multiple values
13

Sets multiple keys to multiple values, only if none of the keys exist
14

Sets the value and expiration in milliseconds of a key
15

Increments the integer value of a key by one
16

Increments the integer value of a key by the given amount
17

Increments the float value of a key by the given amount
18

Decrements the integer value of a key by one
19

Decrements the integer value of a key by the given number
20

Appends a value to a key

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