資料庫移轉服務會從您上傳至 Cloud Storage 值區的備份檔案遷移所有資料,但 Cloud SQL for SQL Server 不一定會提供來源資料庫中的所有功能。資料庫移轉服務遷移作業不會還原不支援功能的資料,但目的地 Cloud SQL for SQL Server 執行個體可能會在記錄中產生警告或錯誤。
在選擇將 SQL Server 資料庫遷移至 SQL Server 適用的 Cloud SQL 之前,請務必參閱 Cloud SQL for SQL Server 說明文件,考量
Cloud SQL 不提供的 SQL Server 功能。
運用資料庫移轉服務,將相同系統的資料庫從 SQL Server 遷移至 Cloud SQL for SQL Server 時,您必須遵守下列已知限制:
[[["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:2025-05-15 (世界標準時間)。"],[[["Database Migration Service migrates data from uploaded backup files to Cloud SQL for SQL Server, but not all source database features may be supported."],["A single migration job can handle up to 20 databases, with only one job allowed per destination Cloud SQL for SQL Server instance."],["Backup files can be a maximum of 5 TB each, and if the database size exceeds 5TB, striping into smaller files is allowed, but must remain under the maximum file size."],["The source SQL Server instance must not use the simple recovery model."],["The migration service does not migrate the SQL Server `master` database, user information, or jobs that are not linked to a specific database."]]],[]]