Alibaba Cloud Certified Associate (ACA) Practice Test

The correct statement about Data Transmission Service (DTS) is that it supports data migration between self-built Oracle databases. DTS is designed to facilitate seamless data migration, synchronization, and backup across various database systems. This includes the capability to handle different types of databases, including both self-built and cloud-based Oracle databases, making it a versatile tool for organizations needing to manage their data more effectively. DTS offers a range of functionalities that extend beyond mere data backup tasks, enabling tasks like real-time data synchronization and data migration across different databases and environments. This capability makes it invaluable for businesses that require flexibility in their data handling strategies. While the other options suggest limitations or inaccuracies regarding DTS, such as its use being confined to backup tasks or the necessity of manual intervention for all processes, the focus on supporting migrations between self-built Oracle databases showcases the true capacity of DTS to operate efficiently in a multi-database environment. It exemplifies DTS's robust features that cater to diverse data management needs, which is essential for organizations looking to optimize their database operations.