Python database programming examples pdf

How to connect database in Python with example?
Example
1import mysql.connector.2#Create the connection object.3myconn = mysql.connector.connect(host = "localhost", user = "root",passwd = "google", database = "mydb")4#printing the connection object.5print(myconn).
Creating a database in MySQL using python
You can connect to an existing database or, create your own.
You would need special privileges to create or to delete a MySQL database.
So if you have access to the root user, you can create any database.

PYTHON DATABASE PROGRAMMING STUDY MATERIAL.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free.

Exercise/Mini Project: Hospital Information System

In this exercise, We are implementing the Hospital Information System. In this exercise, I have created two tables, Hospital and Doctor

SQL Queries For Data Preparation

Please find below the SQL queries to prepare the required data for our exercise. MySQL PostgreSQL SQLite These tables should look like this

Exercise 1: Connect to Your Database Server and Print Its Version

Reference article for help: 1. Python MySQL Database Connection 2. Python PostgreSQL Connection 3

Exercise 3: Get The List of Doctors as Per The Given Specialty and Salary

Note: Fetch all doctors whose salary higher than the input amount and specialty is the same as the input specialty

Exercise 4: Get A List of Doctors from A Given Hospital

Note: Implement the functionality to fetch all the doctors as per the given Hospital Id. You must display the hospital name of a doctor. Given: Hint: 1

Operation 5: Update Doctor Experience in Years

The value of the experience column for each doctor is null. Implement the functionality to update the experience of a given doctor in years. Given: Hint 1

Does Python need a database driver?

Programming languages like Python need a special driver before they can speak to a database from a specific vendor

These drivers are typically obtained as third-party modules

The Python Database API (DB-API) defines the standard interface with which all Python database drivers must comply

These details are documented in PEP 249

How do I interact with a MySQL database in Python?

The general workflow of a Python program that interacts with a MySQL-based database is as follows: Connect to the MySQL server

Create a new database

Connect to the newly created or an existing database

Execute a SQL query and fetch results

Inform the database if any changes are made to a table

Close the connection to the MySQL server

What can I learn in Python & MongoDB?

We cover things like SQL and NoSQL databases and how to interact with them using Python

Free Bonus: Click here to download a Python + MongoDB project skeleton with full source code that shows you how to access MongoDB from Python

Learn how to interact with and manage data in Python using databases