Database
An organized place where an application keeps its data, like a cabinet with labeled drawers: users, orders, products.
How it appears in the course
With MCP, Claude can work with GitHub, a browser, a database, Notion and many others.
Through MCP, Claude can connect to external systems: GitHub, databases, a browser, Sentry, Figma, Notion, Jira or your company’s internal programs.
The fourth connects a database (an organized “cabinet” of data). --env DATABASE_URL=... gives it the database’s address.
Where you learn it
In module 08 · MCP: connecting to other apps, in the Claude Code for Beginners course.
Related terms
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12 modules with 1–2 minute lessons, which you can also do on your phone. The first two modules are free.