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Each migration scenario supported by Database Migration Service is subject to different
known limitations. For more information, see the dedicated pages for each
scenario.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eDatabase Migration Service has known limitations when used with MySQL, PostgreSQL, SQL Server, and AlloyDB databases.\u003c/p\u003e\n"],["\u003cp\u003eThere are specific limitations associated with migrating Oracle workloads into Cloud SQL for PostgreSQL using Database Migration Service.\u003c/p\u003e\n"],["\u003cp\u003eDetailed information regarding these limitations can be found in the documentation for each respective database type.\u003c/p\u003e\n"]]],[],null,["# Known limitations\n\nEach migration scenario supported by Database Migration Service is subject to different\nknown limitations. For more information, see the dedicated pages for each\nscenario.\n\nKnown limitations for homogeneous migrations:\n\n- [For MySQL to Cloud SQL for MySQL](/database-migration/docs/mysql/known-limitations)\n- [For PostgreSQL to Cloud SQL for PostgreSQL](/database-migration/docs/postgres/known-limitations)\n- [For SQL Server to Cloud SQL for SQL Server](/database-migration/docs/sqlserver/known-limitations)\n- [For PostgreSQL to AlloyDB for PostgreSQL](/database-migration/docs/postgresql-to-alloydb/known-limitations)\n\nKnown limitations for heterogeneous migrations:\n\n- [For Oracle to Cloud SQL for PostgreSQL](/database-migration/docs/oracle-to-postgresql/known-limitations)\n- [For Oracle to AlloyDB for PostgreSQL](/database-migration/docs/oracle-to-alloydb/known-limitations)\n- [For SQL Server to Cloud SQL for PostgreSQL](/database-migration/docs/sqlserver-to-csql-pgsql/known-limitations)\n- [For SQL Server to AlloyDB for PostgreSQL](/database-migration/docs/sqlserver-to-alloydb/known-limitations)"]]
