OCP 23ai New Features Practice Question
Which THREE actions can be performed on an HNSW vector index in 23ai?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
ALTER INDEX ... REBUILD
HNSW indexes support building, rebuilding, and usage in similarity search.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
DROP INDEX
Why it's wrong here
Technically yes, but the question asks for actions on the index structure capabilities.
- ✓
ALTER INDEX ... REBUILD
Why this is correct
Supported for maintenance.
- ✓
CREATE INDEX
Why this is correct
Standard DDL.
- ✗
PARTITION
Why it's wrong here
Not directly supported on HNSW.
- ✓
USE IN VECTOR_DISTANCE
Why this is correct
The purpose of the index.
About these practice questions
This OCP question is part of Courseiva's 312-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Oracle exam blueprint
This OCP practice question is part of Courseiva's free Oracle certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the OCP exam.