AlloyDB AI launches native hybrid search based on RRF, along with RUM and BM25 indexing

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Google Cloud introduces a hybrid_search() SQL function powered by Reciprocal Rank Fusion (RRF) for AlloyDB AI, merging the multi-step fusion workflow of vector search and full-text search into a single SQL call, eliminating score normalization and application-side join.

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AI search keeps missing model numbers and IDs. Is hybrid search worth trying?

A review of official AlloyDB AI documentation explaining how full-text search, vector search and RRF handle identifiers and natural-language descriptions, with preview requirements, SQL checks and a query comparison table.

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