[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間：2025-08-18 (世界標準時間)。"],[[["\u003cp\u003eDatabase Migration Service utilizes two migration types: continuous and one-time, with only continuous migrations available for Oracle to AlloyDB for PostgreSQL.\u003c/p\u003e\n"],["\u003cp\u003eContinuous migrations consist of two phases: a full dump phase where the current content of the database is copied, and a Change Data Capture (CDC) phase.\u003c/p\u003e\n"],["\u003cp\u003eThe full dump phase involves Database Migration Service connecting to the source database and transferring data, and multiple connections can be used for improved performance.\u003c/p\u003e\n"],["\u003cp\u003eAlternatively, the full dump phase can be performed manually, in which case the migration job starts with the CDC phase, and requires the System Change Number (SCN) as the starting point.\u003c/p\u003e\n"],["\u003cp\u003eDuring the CDC phase, Database Migration Service monitors and replicates changes to the destination cluster by reading log files rather than copying data, using the Oracle LogMiner API for Oracle databases.\u003c/p\u003e\n"]]],[],null,[]]
