The document provides an overview of basic SQL commands and operations related to MySQL, including starting servers, creating databases, tables, and views, as well as performing data manipulation and transaction control. It also contrasts the data types varchar and varchar2, explains different types of table joins, and outlines steps to connect Python with MySQL using the MySQL connector. A practical demonstration is suggested to reinforce these concepts.

1. Basic SQL Commands

2. Starting MySQL and IDE
Start Wampserver
Start HeidiSQL software

3. ALTER TABLE
CREATE DATABASE
CREATE TABLE
CREATE VIEW
DROP DATABASE
DROP TABLE
INSERT INTO
UPDATE
DELETE
SQL Commands
DDL DML TCL
AND|OR
AS (alias)
BETWEEN
COMMIT
ROLLBACK
IF EXISTS
EQUI JOIN
NATURAL JOIN
LIKE
SELECT *
DISTINCT
CROSS JOIN
Clause
DESC
IN
HAVING
GROUP BY
ORDER BY
WHERE
Data Definition Language Data Manipulation Language Transaction Control Language
Aggregate Functions
SUM(), COUNT(), MIN(), MAX(), AVG()

4. char vs varchar

5. Varchar vs varchar2
 Varchar and Varchar2 are two data-types in MySQL.
 Varchar stands for variable length character string.
 Both are used to store strings.
 Varchar2 can store a variable-length character string
with an upper limit of 4000 bytes.

6. Table Joins in SQL
1. Cross(CartesianProduct)join
2. Equijoin
3. NaturalJoin

7. Cross(CartesianProduct)join

8. Equijoin

9. NaturalJoin

10. Connecting
Python with
MySQL

11. Python DB API
MySQL
Database
Python
Program
MySQL
connector
Frontend
(Python)
Backend
(MySQL)
Request Request
Response Response

12. Steps to Connect Python with MySQL
1. Install/Verify MySQL connector
2. Install/Verify Python MySQL Library is Installed
3. Connecting code
4. Check Connection
5. Perform database operations
One time task

13. Practical Demonstration