Junior (1–3 years) · Module A
SQL & Database Querying for Integrations
Joins, filtering, and the queries customers actually ask you to write live.
What this session covers
- INNER JOIN only returns rows that match in both tables; LEFT JOIN keeps every row from the left table even with no match — know which one a question actually needs.
3 more key points, the audio walkthrough and the diagram are in the full session, which unlocks with any paid plan.
What junior FDE interviews look for
Junior Forward Deployed Engineer interviews go deeper on integration fundamentals — REST API design, OAuth2, webhooks, data mapping and SQL — and add customer-facing scenarios such as running a technical discovery call or handling pushback on what your API can do.