Application scenarios corresponding to various data types of reds
Application scenarios of 1.String type
String is the most commonly used data type, ordinary key/value storage.
Application scenarios of 2.list type
It is more suitable for list storage and the order is relatively fixed, such as: province, city list brand, manufacturer, car system, model and so on.
Application scenarios of 3.set type
The function provided by Set is similar to that of list. When you need to store a list of data and do not want to duplicate data, you can choose set.
Application scenarios of 4.zset (sorted set) type
The usage scenario of zset is similar to that of set, except that set is not automatically ordered, while zset can use the
The user provides an additional score parameter to sort the members, and the insertion order is ordered.
, that is, automatic sorting. When you need an ordered and non-repetitive list of collections, you can choose
Choose zset data structure. For example: a list of popular cars sorted by PV, a news list sorted by time
Application scenarios of 5.hash type
Storage similar to table records
Storage of data required for page view