This topic describes the scenarios where DDL operations performed in an Oracle database can be converted by the DDL synchronization component of the data transmission service but cannot be performed in an Oracle tenant of OceanBase Database during data migration from the Oracle database to the Oracle tenant of OceanBase Database.
Database versions
Oracle Database 19c
OceanBase Database V3.2.4
Incompatibilities
CREATE TABLE: For more information, see Incompatibilities of CREATE TABLE operations.
ALTER TABLE: For more information, see Incompatibilities of ALTER TABLE operations.