This lab mainly uses Apsara PolarDB. This lab describes how to migrate data from a local Oracle database to Apsara PolarDB through Data Transmission Service (DTS). Apsara PolarDB is a next-generation relational database service developed by Alibaba Cloud. It is compatible with MySQL, PostgreSQL, and Oracle databases. With superior performance in storage and computing, Apsara PolarDB can meet the diverse requirements of enterprises. An Apsara PolarDB cluster has a maximum storage sp