[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-04-09。"],[[["This guide outlines how to generate and query indexes using stored embeddings within AlloyDB."],["AlloyDB supports the creation of `ScaNN`, `IVF`, `IVFFlat`, and `HNSW` index types for efficient data retrieval."],["Prior to index creation, you must have embedding vectors stored in an AlloyDB table and have installed the `vector` extension (version 0.5.0 or later)."],["Creating `ScaNN` indexes requires the installation of the `alloydb_scann` extension, and please note that this extension is compatible with PostgreSQL 14 and 15."],["If upgrading to AlloyDB Omni, you must drop any `postgres_ann` indexes and recreate them using the `alloydb_scann` extension."]]],[]]