How to connect to Oracle, MySql and PostgreSQL databases using Python?

Step 1: Install the necessary libraries

To connect to a database and query data, you need to install the following two libraries:

1. 
   pandas: A Python library for data analysis, including functions for reading and writing data.


2. 
   sqlalchemy: A Python library for interacting with relational databases, allowing you to use Python with various databases.

You can install these libraries using the following command in the command prompt or terminal:

pip install pandas
pip install sqlalchemy

Step 2: Connect to …

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