Pass the Oracle Database Cloud Service 1z0-1094-23 Questions and answers with CertsForce

Oracle GoldenGate is the preferred integration product for real-time data replication between Oracle Databases. It provides low-impact, real-time change data capture, transformation, and delivery, enabling high availability solutions, real-time data integration, transactional change data capture, data replication, transformations, and verification between operational and analytical enterprise systems.

OCI GoldenGate Microservices environments typically use port 443 for port forwarding through NGINX. This secure port is commonly used for HTTPS traffic, ensuring encrypted communication and secure access to the GoldenGate Microservices web interfaces.

Oracle Data Integrator specializes in high-performance bulk data movement and transformation, utilizing database or BI technologies for massively parallel processing.Its architecture supports native bulk data utilities, optimizing data integration processes for various data sources, including big data and RDBMS.

A Bastion host is used within a network, especially in a private subnet, to provide secure access to Oracle Cloud Infrastructure instances. It acts as a gateway, enabling controlled access to internal instances from an external network, thereby enhancing the security posture by limiting direct exposure of instances to the public internet.

Error ORA-00245 during Zero Downtime Migration of an Oracle RAC database typically indicates that the SNAPSHOT CONTROL file is not configured to use a shared location accessible by all RAC instances. This shared access is crucial for coordinated snapshot operations across the RAC environment.

Oracle Zero Downtime Migration supports logical and physical migrations to Autonomous Database using Oracle Cloud Infrastructure (OCI) Object Storage. Logical migrations involve data extraction and loading using tools like Data Pump, while physical migrations involve moving database files directly. Both methods can be performed online or offline, with OCI Object Storage serving as an intermediary storage solution.

Migrating a 19c Oracle Database from AWS RDS using RMAN backups involves several steps, including the use of the Oracle Secure Backup Cloud Module to facilitate RMAN backups directly to AWS S3. The data is then transferred from the S3 bucket to an OCI Object Storage bucket. Finally, the backup is restored from the OCI Object Storage bucket to an OCI Database Service instance, completing the migration process.

Oracle Data Integrator (ODI) supports various types of checks, including conditions, keys, references, and mandatory attributes, but it does not inherently enforce business rules. Business rules, which are higher-level validations and constraints defined by business logic, are typically implemented at the application level or within the database through triggers or stored procedures.

Oracle Zero Downtime Migration supports a variety of Oracle Database versions as source databases for migration, including specific releases of Oracle Database 11g and 12c. These supported versions ensure compatibility and reliability when migrating databases using Oracle ZDM, providing a range of options for organizations with different versions of Oracle Database in their environments.

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.