Answer: Search optimization service

The question asks about a Snowflake service that improves performance for lookup and analytical queries with extensive WHERE conditions. Option C (Search Optimization Service) is specifically designed to accelerate queries with complex predicates, including those with many WHERE clause conditions. The community discussion shows 100% consensus on C, with upvoted comments referencing Snowflake's official documentation that confirms this service dramatically accelerates such queries. Option A (Data Classification) is for data governance, not query performance. Option B (Query Acceleration Service) is for large-scale analytical queries but not specifically optimized for extensive WHERE conditions. Option D (Tagging) is for metadata management and cost tracking, not query performance optimization.

Author: LeetQuiz Editorial Team