Understand the data structure of REDIS __ data structure

Structure Type	values stored by the structure	the ability to read and write structures
String	can make strings, integers, floating-point numbers	Performs an operation on an entire string or part of a string, and performs an increment (decrement) or self-subtraction () operation on integers and floating-point numbers
List	A linked list, each node on the list contains a string	Push or eject elements from both ends of the list, trim the scale by offset (trim), read single or multiple elements, and find or delete elements based on values
Set	The unordered collector (unordered collection) that contains the string, and each string contained is unique	Add, get, delete a single element, check whether an element exists in the set, compute the intersection, set the difference, and get the element randomly from the collection
Hash	Unordered hash list containing key-value pairs	Add, get, delete a single key value pair; Get all the key-value pairs
Zset	A sequential mapping between a member of a string, or a floating-point value (score), in which the order of elements is determined by the size of the value.	Add, get, delete a single element, get the element based on the score Range (range) or member