Oracle Updated 1z0-1094-23 Exam Questions and Answers by lilliana

Oracle Zero Downtime Migration (ZDM) leverages several Oracle products and utilities in its migration workflows, including Oracle Data Pump and Oracle GoldenGate. Data Pump is used for high-speed data transfer and migration tasks, while GoldenGate facilitates real-time data replication and integration, allowing for seamless and efficient migrations to Oracle Autonomous Database with minimal downtime.

Oracle Application Express (APEX) is a web-based, feature-rich development tool that resides in a low-code environment. It enables rapid development of scalable and secure applications, offering a wide range of functionalities that facilitate application design, coding, and deployment within a web browser without the need for extensive infrastructure.

Before migrating a source database using Oracle Zero Downtime Migration, certain prerequisites must be met, including enabling Archivelog mode for capturing all transactions and ensuring Transparent Data Encryption (TDE) is enabled for data security. These requirements help maintain data integrity and security throughout the migration process.

When migrating on-premises databases to Autonomous Database using Oracle Zero Downtime Migration (ZDM), both Physical Online and Logical Online migration methodologies can be employed. Physical Online migration involves replicating the physical database files to the cloud with minimal downtime, while Logical Online migration uses logical structures like SQL to migrate data, allowing for transformations and optimizations during the migration process. Both methods aim to minimize downtime and ensure continuous availability of the database services during the migration.