Free Oracle 1Z0-1094-23 Exam Practice Questions & Explanations
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Which TWO methods should you use when migrating a target database with different endianness than the source database? (Choose all correct answers)
When migrating a target database with different endianness than the source database, the appropriate methods to use are RMAN DUPLICATE and RMAN CONVERT. RMAN DUPLICATE can be used in combination with conversion operations to create a duplicate database on a remote host with different endianness, while RMAN CONVERT is used to convert data files between different formats, which is necessary when moving between platforms with different endianness.
Which method uses Oracle Data Guard as an underlying technology to migrate a database from on-premises to Oracle Cloud?
Oracle Zero Downtime Migration (ZDM) leverages Oracle Data Guard technology for database migrations from on-premises to Oracle Cloud, ensuring minimal downtime by synchronizing the source and target databases until the cutover phase, making it an effective method for database migration projects.
You have an on-premises non-TDE-encrypted Linux 19c container database (CDB) that is already being regularly backed up to Oracle Cloud Infrastructure (OCI) Object Storage via the Database Backup Cloud Service. You plan on using Recovery Manager (RMAN) to migrate it to Database Cloud Service. What is the valid strategy to migrate?
For migrating a non-TDE-encrypted 19c CDB to Database Cloud Service using RMAN and backups stored in OCI Object Storage, the 'instantiate from backup' option simplifies the process. This method automatically handles the necessary encryption for the cloud environment, streamlining the migration and ensuring compliance with cloud security standards.
When integrating data from multiple sources into a Data Warehouse schema, you want to check a length constraint that you have imposed on one of the target columns before the rows arrive in the target table. All the rows that do not pass this quality check will have to be isolated in error tables. For this, you have chosen an Integration Knowledge Module (IKM) that supports flow control. You have also chosen the value raue for this parameter to enable this check. At compile time, you see that Oracle Data Integrator (ODI) throws an error and the execution cannot start. What is the reason?
When using Oracle Data Integrator (ODI) for data integration with flow control to check constraints, it's essential to set the Check Knowledge Module in the physical design. If this module is not set, ODI cannot perform the required checks during the integration process, leading to errors at compile time and preventing the execution from starting.
For a source database to be successfully migrated, you must view and apply the prerequisites. Which TWO prerequisites must pass before the source database can be migrated using Oracle Zero Downtime Migration (ZDM)? (Choose all correct answers)
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.