SQL provides a way for us to access and store data from a database. While we teach it in conjunction with Ruby, it is an entirely separate language that can take time to become comfortable using and reading.
In this section are additional SQL challenges to help you hone your querying skills. Topics covered in these challenges include:
- Querying specific data
- Aggregating data values
- Grouping and sorting data
- Using SQL joins
In addition, here are some resources you may find helpful: