Oracle 1Z0-184-25 Exam - Topic 1 Question 4 Discussion

Actual exam question for Oracle's 1Z0-184-25 exam

Question #: 4
Topic #: 1

You are asked to fetch the top five vectors nearest to a query vector, but only for a specific category of documents. Which query structure should you use?

AUse UNION ALL with vector operations

BPerform the similarity search without a WHERE clause

CApply relational filters and a similarity search in the query

DUse VECTOR_INDEX_HINT and NO WHERE clause

Show Suggested Answer

Suggested Answer: C

To fetch the top five nearest vectors for a specific category, combine relational filtering (e.g., WHERE category = 'X') with similarity search (C) (e.g., VECTOR_DISTANCE with ORDER BY and FETCH FIRST 5 ROWS). UNION ALL (A) is for combining result sets, not filtering. Omitting WHERE (B) ignores the category constraint. VECTOR_INDEX_HINT (D) influences index usage, not filtering, and skipping WHERE misses the requirement. Oracle's vector search examples use WHERE clauses with similarity functions for such tasks.

by Lynda at Mar 21, 2025, 01:33 AM

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Sherell

3 months ago

UNION ALL seems a bit off for this task.

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Lacey

3 months ago

Agree with C, it makes the most sense.

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Corinne

3 months ago

C is definitely the way to go!

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Louvenia

4 months ago

Wait, can you really do it without a WHERE clause?

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Noel

4 months ago

I think B might work too, but not sure.

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Ollie

4 months ago

I’m confused about the NO WHERE clause in option D. It seems like we definitely need to specify the category, right?

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Isadora

4 months ago

I feel like using UNION ALL could complicate things. Isn't it better to keep it straightforward with a direct similarity search?

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Timothy

5 months ago

I'm not entirely sure, but I remember practicing a question where we had to combine filters with vector searches. That might be similar to this one.

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Meaghan

5 months ago

I think we need to apply some kind of filter for the category, so maybe option C makes sense?

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Peggie

5 months ago

I'm pretty confident that Option C is the way to go here. Applying relational filters and a similarity search in the query seems like the best way to get the top 5 vectors for the specific category.

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Barrett

5 months ago

Option D with VECTOR_INDEX_HINT and no WHERE clause could work, but I'm not sure if that's the most efficient approach. I'd lean more towards Option C to get the job done.

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Margart

5 months ago

Performing the similarity search without a WHERE clause doesn't sound right. We need to filter by the specific category of documents, so Option B is not the way to go.

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Leana

5 months ago

Hmm, I'm a bit confused. Shouldn't we be using UNION ALL with vector operations to get the top 5 vectors? Option A seems more straightforward to me.

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Cherry

6 months ago

I think the key here is to use a combination of relational filters and a similarity search. Option C looks like the way to go.

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Jerlene

12 months ago

This question is like a riddle wrapped in an enigma, wrapped in a vector search. I'm just gonna go with C and hope the exam gods are feeling generous today.

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Matthew

12 months ago

Ah, the age-old debate: filters first or similarity search first? I say, why not do both? Just like a good salad, you need the right mix of greens and toppings. Option C all the way!

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Erinn

10 months ago

Exactly, it's all about finding that perfect balance between filtering and similarity search.

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Johna

10 months ago

That way, you can ensure you're only getting the top five vectors nearest to the query vector for the specific category.

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Franchesca

10 months ago

It's important to narrow down the results with filters before performing the similarity search.

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Van

10 months ago

I agree, using relational filters and a similarity search in the query is the way to go.

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Eden

10 months ago

Definitely! It's all about finding the right balance between filters and similarity search for the best outcome.

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Paola

10 months ago

I agree, using relational filters along with similarity search can really narrow down the results effectively.

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Maile

11 months ago

That's a good point! It's important to have both filters and similarity search for accurate results.

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Margart

11 months ago

Option C all the way! Apply relational filters and a similarity search in the query.

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Frank

12 months ago

I think C) is the best option because it combines filters with similarity search for more accurate results.

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Willard

12 months ago

I'm not sure, but D) Use VECTOR_INDEX_HINT and NO WHERE clause sounds like it could work too.

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Fidelia

12 months ago

Hold up, did you say 'top five vectors'? I thought we were supposed to fetch the top five documents! This question is getting a bit tricky, isn't it?

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Cherri

12 months ago

Ah, but what if the category of documents is really specific? Using a WHERE clause might be too restrictive. I'd go with option D and use the VECTOR_INDEX_HINT to get the top results without any filters.

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Shaun

12 months ago

I agree with Judy, using relational filters will help narrow down the search.

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Willow

12 months ago

Hmm, I'm not sure about that. Wouldn't it be better to do the similarity search first and then apply the filters? That way, we can focus the search on the most relevant documents.

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