PostgreSQL JOIN

1. What is a Postgres join?
2. How many types of joins are there in PostgreSQL?

What is a Postgres join?

The PostgreSQL Joins clause is used to combine records from two or more tables in a database. A JOIN is a means for combining fields from two tables by using values common to each. Join Types in PostgreSQL are − The CROSS JOIN.

How many types of joins are there in PostgreSQL?

Following are the different types of joins in PostgreSQL: Inner Join – Returns matching data from both tables. Full outer join – Returns matching data and unmatched data from both tables. Left outer join or Left join – Returns matching data from both the tables and all the unmatched data from the left table.