M2 • Consistency & Transactions at Scale
Level 8 - Principal - Consistency & Transactions at Scale
Solve cross-service correctness with sagas, outbox/idempotency patterns, isolation trade-offs, and conflict-resolution strategy.
Module Coverage
22 questions focused on interview-style decision making, trade-offs, and scalable SQL design.
saga choreographyoutbox patternidempotencyisolation trade-offsconflict resolution