[[["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):2025-04-17。"],[[["This page guides you on creating and querying indexes using stored embeddings with `ScaNN`, `IVF`, `IVFFlat`, and `HNSW` indexes in AlloyDB for PostgreSQL."],["Prerequisites include having embedding vectors in an AlloyDB table and installing the `vector` extension version `0.5.0` or later."],["The `alloydb_scann` extension, compatible with PostgreSQL 14 and 15, must also be installed to create `ScaNN` indexes."],["You can create various index types, such as `ScaNN`, `IVF`, `IVFFlat`, and `HNSW`, but remember that index names are shared across the database."]]],[]]