Learning Path Backend

learn about basic database modelling, use excalidraw
learn about database concepts. Read Database Internals
learn to answer these questions
learn how to connect to a database and performe queries
learn how to expose a CRUD API REST and/or GraphQL
learn how to document the API using Swagger, swagger-jsdoc is the best for it
learn how to test your API using Postman, and also automated using jest and supertest
learn how to consume other APIs using fetch