An index in a database is a special data structure that speeds up the search and retrieval of records from a table. It works similarly to an index in a book, where you can quickly find the needed page by topic or word without having to flip through the entire thing.
In this article, we are going to talk about different types of indexes, including B-Tree, hash, unique, GiST, SP-GiST, GIN, and BRIN, and how to create and use them in both command-line and GUI for PostgreSQL, such as dbForge Studio.
Read in full to learn more about how to create indexes in PostgreSQL.