Exploring the digital world!
Data is the new oil, so how do we get the data into the barrels?
Sqlite is a great simple relational database for small projects, where larger projects usually involve one of these: SQL Server, Oracle, Postgres, MySQL...
Simple storage should still be standardized and the industry gave us XML first, but I prefer the simplicity of JSON today.
Coding languages provide many efficient storage option like python's pickle, but pick a format that is language agnostic.