SQL week

On the 3rd week of the course, we learnt SQL and covered ethics of data usage. Here you can see my homework and lab for the week.

day 1

• All about relational databases
• Queries
• Subqueries

day 2

• Joins
• Table relationships
• Common table expressions
• Window functions

day 3

• Connecting R to databases
• Lots of practice of SQL using R interface

day 5

• Presentation for 5 minutes long and 3 minutes for questions.
• My chosen topic was 'When should humans overrule AI?'