This lab mainly uses Apsara PolarDB. It demonstrates common data operations on an Apsara PolarDB database that uses the Oracle engine. Apsara PolarDB is a next-generation cloud-native relational database developed by Alibaba Cloud. It is compatible with MySQL, PostgreSQL, and Oracle. With superior performance in storage and computing, Apsara PolarDB can meet the diverse requirements of enterprises. An Apsara PolarDB cluster has a maximum storage space of 100 TB and can contain a maximum o