Skip to the content.

Week 3 – Joins

Lecture recording:

Week 3

In this video, you will learn: (i) how to modify tables and update observations, (ii) how to leverage on the foreign key constraint, (iii) how to join tables, and (iv) how to export results.

The video is structured into 5 components:

Week (dd-mm) Topics Min
3 (07-06) Set-up 0:00
  – ALTER  
  – DELETE  
  – UPDATE  
  Foreign Key 5:42
  Joins: 17:37
  – Inner  
  – Left/Right/Full (Outer)  
  – Cross  
  Export data 37:36
  Concluding remarks 42:44

Other material available:

  1. hw_3.md: homework
  2. ls_3.pdf: lecture slides
  3. sc_3.sql: lecture sql script
  4. webinar-3: webinar 3 materials