🔑 Data Modelling and Querying - CS140 📰

Data Modelling, Querying SQL, Relational Algebra, Postgresql, Jupyter Notebooks.

I took this class in Fall 2016. Each notebook is an exercise, either on SQL, Relational Algebra, or both. New concepts are presented in each exercise. Concepts include:

• Querying

• Data Definition Language

• Group By and Aggregate Functions

• Cartesian Product

• Joins

• Sets operations

• Nested statements

Feel free to clone this repository and to explore the notebooks..