Level 6 - ExpertOutput Prediction Questionsm3 consistency integrity
Output: Idempotency Unique Constraint Effect
How many rows remain after these inserts with UNIQUE(idempotency_key)? 1) key=A 2) key=B 3) key=A (duplicate)
How many rows remain after these inserts with UNIQUE(idempotency_key)? 1) key=A 2) key=B 3) key=A (duplicate)