πŸ“… 2025-06-21 β€” Session: Developed SQL and Pandas Split-Apply-Combine Exercises

πŸ•’ 01:00–01:35
🏷️ Labels: SQL, Pandas, Data Analysis, Education, Exercise, Pipeline
πŸ“‚ Project: Teaching
⭐ Priority: MEDIUM

Session Goal:

The session aimed to explore and develop exercises using the split-apply-combine pattern in both SQL and Pandas, focusing on data manipulation and analysis techniques.

Key Activities:

  • SQL Split-Apply-Combine Pattern Example: A minimal example was provided to demonstrate calculating total revenue per product category using SQL queries.
  • Pandas Split-Apply-Combine Pattern: A step-by-step guide was created to implement this pattern in Pandas, using a toy DataFrame for demonstration.
  • SQL Exercise Using Spanish Variables: An exercise was outlined using Spanish-language variables to engage specific audiences, with a focus on SQL data manipulation.
  • Ejercicio de AnΓ‘lisis de Compras en SQL: Proposed an exercise to design a mini-process for purchase analysis, promoting critical thinking and logical planning in SQL.
  • DiseΓ±o de un ejercicio de SQL sobre pipelines: Detailed a pedagogical exercise for learning SQL through a cheatsheet and practical pipeline design problem.
  • SQL Cheatsheet and Exercise for Pipelines: An expanded cheatsheet and exercise were provided, incorporating a four-step pipeline using JOIN operations.
  • ConstrucciΓ³n de un Pipeline SQL en 3 Pasos: Described a structured activity to build a SQL pipeline calculating total sales by category.

Achievements:

  • Developed comprehensive exercises and guides for both SQL and Pandas, enhancing educational resources.
  • Created SQL exercises tailored for Spanish-speaking audiences, expanding accessibility.

Pending Tasks:

  • Further testing and refinement of exercises to ensure clarity and effectiveness.
  • Translation of SQL exercises into other languages to broaden reach.