1Z0-184-25 practice question 12 of 15

What is the primary difference between the HNSW and IVF vector indexes in Oracle Database 23ai?

Answer options

A: Both operate identically but differ in memory usage

B: HNSW guarantees accuracy, whereas IVF sacrifices performance for accuracy

C: HNSW uses an in-memory neighbor graph for faster approximate searches, whereas IVF uses the buffer cache with partitions Correct answer

D: HNSW is partition-based, whereas IVF uses neighbor graphs for indexing

Correct Answer:

C. HNSW uses an in-memory neighbor graph for faster approximate searches, whereas IVF uses the buffer cache with partitions

Explanation

Reference:Oracle Database 23ai AI Vector Search Guide, Section on Vector Index Types.

Keep practicing

Take the free 1Z0-184-25 practice test

Ten exam-style questions with answers and explanations, plus the exam facts and study guides.