Backend Development
Everything on SkillVeris tagged Backend Development — collected across the glossary, study notes, blog, and cheat sheets.
3 resources across 1 library
Interview Questions(3)
What is Connection Pooling?
Connection pooling is a technique where a fixed set of pre-established database connections is reused across multiple requests instead of opening and closing a…
GraphQL vs REST: How Do They Fetch Data From Databases Differently?
REST exposes fixed, resource-shaped endpoints that each return a predetermined set of columns and joins decided by the server, while GraphQL exposes a single e…
What is Idempotency in System Design?
Idempotency means that performing the same operation multiple times produces the same result as performing it once, so retries or duplicate requests do not cau…