Required Modules

pip install psycopg2

PostgreSQL is the most powerful open-source object-relational database management system. Psycopg2 is the most popular PostgreSQL database adapter for Python language. It simply allows you to work with multiple databases in the same program at the same time. This indicates that you can easily switch between two different databases and can perform various operations on them, also efficiently managing your data too. With the use of psycopg2, you can write Python scripts to create, read, update, and delete data in Postgres databases, without using any external tools. It is a powerful and flexible tool that can be used to work with small as well as large-scale databases. It doesn’t matter if you are building a web application, managing a data warehouse, or creating a machine learning model, psycopg2 module can help you work with your Postgres databases as easily as possible.

Concepts related to the topic:

• Connection object: It is basically used to establish a connection with a particular database.
• Cursor object: It is used to execute SQL queries on a database.
• Switching databases: It is used to switch between databases, a new connection needs to be established using the appropriate credentials.