1Z0-184-25 practice question 3 of 15
What is the purpose of the VECTOR_DISTANCE function in Oracle Database 23ai similarity search?
Full set: 60 questionsCorrect Answer:
D. To calculate the distance between vectors using a specified metric
Explanation
The VECTOR_DISTANCE function in Oracle 23ai (D) computes the distance between two vectors using a specified metric (e.g., COSINE, EUCLIDEAN), enabling similarity search by quantifying proximity. It doesn’t fetch exact matches (A); it measures similarity. Index creation (B) is handled by CREATE INDEX, not this function. Grouping (C) requires additional SQL (e.g., GROUP BY), not VECTOR_DISTANCE’s role. Oracle’s SQL reference defines it as the core tool for distance calculation in vector queries.
Reference:Oracle Database 23ai SQL Language Reference, Section on VECTOR_DISTANCE.
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