[[["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):2025-04-30。"],[[["AlloyDB Omni utilizes standard PostgreSQL roles, which can function as database users, groups, or both."],["AlloyDB Omni adds predefined user and group roles to the existing set of PostgreSQL's predefined roles, with `alloydbadmin` and `alloydbmetadata` being key examples."],["The `alloydbadmin` role possesses `SUPERUSER` privileges, including `CREATEROLE`, `CREATEDB`, and `LOGIN`, and is designed for AlloyDB Omni internal use only."],["The `alloydbmetadata` role is also for internal use by AlloyDB Omni and comes with no privileges by default."],["AlloyDB Omni reserves several other role names like `alloydbagent`, `alloydbexport`, and others, which are currently unused but might be implemented in the future and are all set to `NOLOGIN`."]]],[]]