Master Data Cleaning in Minutes with SQL – Join My Academy! 🚀

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Data cleaning with SQL seems straightforward, but ironically, real-world errors and debugging make it anything but simple.
In this video, I walk you through an end-to-end data cleaning process in SQL using Google BigQuery, tackling messy data issues like inconsistent formats, incorrect data types, duplicates, and null values - the real challenges data pros face daily.

The dataset that I used is available here https://drive.google.com/drive/folders/1Y1CtbX6CLOfKBNI9AxbtDN4_pjLpeROs?usp=sharing

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🔎 CONTENT
0:00 Introduction to Data Cleaning and Overview
2:01 Setup of Project and Dataset in Google BigQuery
4:18 Standardizing Order Status Data
7:46 Standardizing Product Name Data
8:20 Cleaning the Quantity Field
10:37 Cleaning Customer Name Field
12:37 Identifying Duplicates with Window Functions
17:27 Removing Duplicated Orders
19:01 Final Clean Data Query and Closing Remarks

#DataCleaning #SQLTutorial #GoogleBigQuery