[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["わかりにくい","hardToUnderstand","thumb-down"],["情報またはサンプルコードが不正確","incorrectInformationOrSampleCode","thumb-down"],["必要な情報 / サンプルがない","missingTheInformationSamplesINeed","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-04-11 UTC。"],[[["This guide outlines how to generate indexes and query embeddings using stored embeddings in AlloyDB."],["AlloyDB supports the creation of `ScaNN`, `IVF`, `IVFFlat`, and `HNSW` index types, each requiring a unique name within the database."],["Before creating indexes, you need to ensure that embedding vectors are stored in an AlloyDB table and the `vector` extension (version 0.5.0 or later) is installed."],["The `alloydb_scann` extension is necessary for generating `ScaNN` indexes and is compatible with PostgreSQL 14 and 15."],["Users upgrading to AlloyDB Omni must drop any `postgres_ann` indexes, upgrade, and then recreate them using the renamed `alloydb_scann` extension."]]],[]]