Tutorial by Topics: datatype

PostgreSQL has a rich set of native data types available to users. Users can add new types to PostgreSQL using the CREATE TYPE command. https://www.postgresql.org/docs/9.6/static/datatype.html
The List datatype in Redis is an ordered collection of items referenced by a Redis key. Redis allows you to access and modify a list by index or push/pop operations. In Redis, the two ends of a list are referred to as the left and the right. The left corresponds to the first element or head of a ...
Redis supports a set datatype analogous to mathematical sets for modeling data in the database. Sets are a compound datatype consisting of a group of unique, unordered members. Sets support adding and removing members, size operations, as well as combination operations that take two sets and gener...
Data types are nothing but variable you used to reserve some space in memory. Python variables do not need an explicit declaration to reserve memory space. The declaration happens automatically when you assign a value to a variable.
Redis provides a string datatype that is used to associate data with a particular key. Redis string are the most basic datatype available in Redis and one of the first datatypes that users learn to work with. Strings are often associated with text data, but Redis strings are more like buffers that ...

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