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Data Structure

Set

Controllers

Break - Continue

OOPS

Class - Introduction

Functions - Methods

Functions Introduction

Input and Print

Errors

Types of Errors

Regular Expressions

re - Introduction

Openpyxl

Interaction with Excel

Openpyxl - Charts

String Methods with Excel

Database Connections

Sqlite3 - Excel

Framework - Flask

Flask Introduction

Create Database

Webapp with Sqlite3

Pandas

Pandas_DataFrame_Introduction

Dataframe Dates

Dataframe Operations

Pandas - TextFiles

Web Scraping

matplotlib

File Handling

Data from Text file

SQL - Excel Connections

Sqlite3 to Python file connection

Sqlite3 is a package which enables the python to connect the database

Cursor Object

Cursor is a object, which enables the application to execute the program

COMMIT method

Commit enables to save the transaction
After committing the transaction roll back is not possible
If we didn't commit, application doesn't save the transaction

fetchall method

Output from sql database to list

Once we connected and records retrieved from database, all the records will store in a list

Each row of result set stores in a single TUPLE

Retrieve all records - Excel to sql database connection

Click on image to view the video
This video consists of 6 video series, in youtube

Retrieve particular columns

Where clause

Compuration of Total Cost

Consolidation of SQL Queries