Master PyMySQL: Install, Import, and Perform Advanced Operations in Python
This guide compares Python MySQL libraries, focuses on using PyMySQL, and provides step‑by‑step instructions with screenshots for installation, importing, connecting, querying, inserting, batch inserting, and updating data in MySQL from Python.
Python offers three primary MySQL libraries: Python‑MySQL (also known as MySQLdb), PyMySQL, and SQLAlchemy.
Python‑MySQL is the oldest, built with C for high performance, but it has many environment dependencies, a complex installation, stopped updating in recent years, and only supports Python 2.
PyMySQL was created as a pure‑Python replacement for Python‑MySQL, compatible with its API, easy to install, and supports Python 3.
SQLAlchemy is an ORM framework that does not provide low‑level database operations itself; it relies on third‑party drivers such as MySQLdb or PyMySQL, and is widely used in web development.
The article mainly introduces the correct usage of PyMySQL , with example code taken from real projects.
Installation
1. Simple method (online installation):
2. Offline installation (when no network access):
Import
Connection
Query
Simple Insert
Batch Insert
Update
PyMySQL is now mature; like Python‑MySQL, it is an optional component in many Linux distributions.
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