[[["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 2025-03-06 UTC。"],[[["This document explains how to create and use `ScaNN`, `IVF`, `IVFFlat`, and `HNSW` indexes with AlloyDB to query stored embeddings."],["Before creating indexes, ensure that embedding vectors are added to a table, the `vector` extension (version 0.5.0 or later) is installed, and the `alloydb_scann` extension is installed for `ScaNN` indexes."],["If you are upgrading to AlloyDB Omni, you must drop any indexes created with the older `postgres_ann` extension and recreate them using the `alloydb_scann` extension."],["The `alloydb_scann` extension is a prerequisite for creating ScaNN indexes and can be used with PostgreSQL 14 and 15 compatible databases."],["The `ScaNN` index feature is in Pre-GA and subject to limited support, according to the Pre-GA Offerings Terms in the Service Specific Terms."]]],[]]