Data loaders are special cells that run “ahead” at build time via an interpreter, rather than “live” when you view a notebook in the browser. Data loaders are useful for preparing static data, ensuring consistency and stability, and improving performance. Think of data loaders as a generalization of database connectors that allow languages besides SQL.Notebooks currently support Node.js and Python data loaders. We will likely add additional interpreters in the future.As an example, here is a tri...