Introduction to NoSQL (iii)

Introduction to NoSQL (iii)

Redis Data Type-string

• String is the simplest type, the same type as memcached, a key corresponding to a value, its supported operation is similar to the operation of memcached, it is more rich in functionality. Sets the object that can be stored in binary.
• Example

  [[email protected] redis-4.0.8]# redis-cli 127.0.0.1:6379> set mykey "Successful"OK127.0.0.1:6379> get mykey"Successful"127.0.0.1:6379> MSET key1 1 key2 2 key3 3OK127.0.0.1:6379> MGET key1 key2 key31) "1"2) "2"3) "3"

Redi Data Type-list

• List is a linked list structure, the main function is push, pop, get all the values of a range and so on. Key in operation is understood as the name of the linked list.
• With the list structure, we can easily implement features such as the latest message ranking (such as the timeline of Sina Weibo). Another application of the list is Message Queuing, which can take advantage of the list's push operation to present the task in a list, and then the worker thread then pops the task out to execute it.
• Example

Introduction to NoSQL (iii)