Arindam Mondal categorizes various Postgres data types:
This article will show PostgreSQL Data Types with various examples.
Data Types are an important part of a database. It represents values associated with it. Choosing the right data type for a table is one of the most important tasks because it determines the kind of data we want to store in a table. While creating a table you must specify a data type for each column. A column can store a specific type of data, like integer, string, Boolean, floating points, and so on. In this article, we are going to discuss PostgreSQL data types.
The list is quite similar to what’s available in SQL Server, though there are a few differences, such as built-in support for storing network addresses.