- Welcome Back!
- Data Profiling
- Computing Averages
- Computing Averages: Exercise
- Summing Values
- Summing Exercise
- TRIM
- Substrings
- Substring Exercise
- LOWER
- UPPER
- LPAD and RPAD
- REVERSE
- CONCAT
- CONCAT Exercise
- Last Word Problem
- Last Word Solution
- Subqueries
- Subqueries Exercise 01
- Subqueries Exercise 02
- Comparing Subqueries
- Creating Tables from Queries
- CASE Statements
- CASE Exercise
- Joins Explained
- Inner Joins
- Left Joins
- Right Joins
- Join Exercise
- Subquery Joins
- Subquery Cartesian Join