DML, or Data Manipulation Language, statements are used to manipulate the data present in a database. The most important DML statements are INSERT, UPDATE & DELETE. This tutorial covers the various PostgreSQL DML statements and how we can use them with SQL shell as well as pgAdmin.
Assuming you are familiar with table creation in PostgreSQL, we are going to use a table, named ’employees’, to execute all our queries. In case you wish to learn all about table creation please visit the the following tutorial: https://www.sqlservercentral.com/articles/a-getting-started-postgresql-tutorial
Let’s get started.
The INSERT command is the first and foremost DML