# 03# SQL for Data Science

### [Big Query:](https://mydatasciencejourney.ml/02-sql-for-data-science-8efc97c64253?source=your_stories_page----------------------------------------) **GROUP BY**, **HAVING** and **COUNT()**.

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1662832859018/xv6kedcMu.gif)

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1662832860672/-hS1SOrVr.png)

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1662832862308/6GFJi9j7I.png)

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1662832863637/_OYWzBbji.png)

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1662832865240/9aSXESqzP.png)

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1662832866545/14wTp882f.png)

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1662832868401/Ym-D64WQI.png)

### Python Notebook #1

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1662832869845/hfxl-9jKF.png)

[**03#SQL-Data-Science**  
*Explore and run machine learning code with Kaggle Notebooks | Using data from No attached data sources*www.kaggle.com](https://www.kaggle.com/viannaandresouza/03-sql-data-science "https://www.kaggle.com/viannaandresouza/03-sql-data-science")[](https://www.kaggle.com/viannaandresouza/03-sql-data-science)

### Python Notebook #2

[**Exercise: Group By, Having & Count**  
*Explore and run machine learning code with Kaggle Notebooks | Using data from Hacker News*www.kaggle.com](https://www.kaggle.com/viannaandresouza/exercise-group-by-having-count "https://www.kaggle.com/viannaandresouza/exercise-group-by-having-count")[](https://www.kaggle.com/viannaandresouza/exercise-group-by-having-count)