Coding breaks down into a few facets – you need programming languages, typically R or Python (or both). You also need query languages for data retrieval and manipulation, such as SQL (Structured Query Language) for relational databases. Finally, you will probably need to know other languages ...
Toward term’s end, the course introduces SQL, via which you can store data in databases, along with HTML, CSS, and JavaScript, via which you can create web and mobile apps alike. Course culminates in a final project. How to Take this Course Even if you are not a student at Harvard...