Data sits in tables of rows and columns. SQL asks questions of a table with SELECT, FROM, WHERE, GROUP BY and JOIN. Git saves the history of your work so you can go back and share it. Keep secrets out of your repository, and write a README so others can follow your work.
- SQL
- A language for asking questions of tables.
- JOIN
- Combining two tables on a shared id.
- Commit
- A saved step in a Git project.