
Answer-first summary for fast verification
Answer: Java User-Defined Function (UDF)
The correct answer is D (Java User-Defined Function) because Snowflake documentation specifically recommends using Java UDFs for processing PDF files stored in stages. The community discussion shows 100% consensus on answer D with multiple upvoted comments referencing Snowflake's official documentation for processing PDFs with Java UDFs. The other options are unsuitable: FLATTEN is for semi-structured data, Window functions are for analytical operations over partitions, and HyperLogLog is for approximate distinct counting - none of these are designed for PDF content extraction.
Author: LeetQuiz Editorial Team
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