[[["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):2025-04-03。"],[[["Datastream leverages PostgreSQL's logical decoding feature, which decodes the Write Ahead Log (WAL) files to query data changes."],["Configuring a PostgreSQL source for Datastream requires creating a publication, which is a set of changes from tables to be replicated."],["A replication slot, a PostgreSQL feature, is also needed to ensure that the stream of changes from a WAL log file is replicated to the destination in the correct order."],["Datastream supports various PostgreSQL databases, including AlloyDB for PostgreSQL, Amazon Aurora PostgreSQL, Cloud SQL for PostgreSQL, and self-managed PostgreSQL."],["Each replication slot streams a sequence of changes from a single database, and each publication exists in only one database."]]],[]]