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1z0-1094-23
Oracle Cloud Database 2023 Migration and Integration Professional Questions and Answers

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Questions # 1:

Which TWO statements are true about cross-endian migration using Transportable Tablespaces? (Choose all correct answers)

Options:

Tablespaces must be converted by either RMAN CONVERT Or DBMS_FILE_TRANSFER.

system and sysaux can be migrated cross-endian.

Tablespaces may not be encrypted.

Tablespaces must be compressed.

Answer

A, C

Explanation

In cross-endian migrations using Transportable Tablespaces, tablespaces may need conversion via RMAN CONVERT or DBMS_FILE_TRANSFER to match the target system's endian format. Additionally, encrypted tablespaces pose challenges in such migrations, often requiring decryption before the migration process.

Questions # 2:

Which file types can be imported using SQL Developer Web?

Options:

All of the options

Excel

AVRO

CSV Delimited

JSPN

Answer

Explanation

SQL Developer Web allows the import of various file types, including Excel, AVRO, CSV Delimited, and JSON. This flexibility supports a wide range of data integration and migration tasks, enabling users to easily upload and integrate data from different formats into the database environment for analysis, reporting, and other purposes.

Questions # 3:

You have a requirement to join data from an Oracle database table and a flat file and load into target DB2 table, using Oracle Data Integrator (ODI). Which statement is correct about this?

Options:

Heterogeneous sources and targets are possible in a single mapping only if there is no incremental data load.

Flat file data has to have a header row in order to join with Oracle database table in a single mapping

It is not possible to join data from different source connection types in a Single mapping

It is possible to mix heterogeneous source connection type and load into any supported target connection type in a single mapping.

It is possible to join data from different source connection types in mapping, but the result must be loaded to Oracle.

Answer

Explanation

Oracle Data Integrator (ODI) supports the integration of heterogeneous data sources, including databases and flat files, within a single mapping. This capability allows for the joining of data from different source types, such as an Oracle database table and a flat file, and loading the combined data into a target database like DB2. ODI's flexible architecture and support for various technologies enable this seamless integration, facilitating complex data transformation and loading tasks across diverse data environments.

Questions # 4:

In which database edition does Data Pump support parallelism?

Options:

Both Standard Edition and Enterprise Edition

Enterprise Edition only

Standard Edition only

Data Pump does not support parallelism.

Answer

Explanation

Data Pump supports parallelism exclusively in the Oracle Database Enterprise Edition, leveraging the ability to perform multiple data-intensive operations concurrently. This feature enhances performance and efficiency during data export and import processes, particularly for large databases.

Questions # 5:

Which migration method gives you the least down time?

Options:

Data Guard

RMAN point-in-time recovery

Transportable Tablespaces

Data pump

Answer

Explanation

Oracle Data Guard is the method that provides the least downtime for database migration. It ensures high availability, data protection, and disaster recovery for Oracle databases. By maintaining a synchronized standby database, Data Guard enables seamless role transitions and minimal downtime during planned maintenance, making it an optimal choice for migrations requiring continuous availability.

Questions # 6:

If unplug and plug was decided to be used as the tool for the migration to Oracle Cloud Infrastructure (OCD), which two constraints are part of this migration to process for using unplug and plug? (Choose all correct answers)

Options:

Target must be an Autonomous database.

Target and source have same Endianness.

Source must be Little-endian.

Source and target need to be container database (CDB).

Answer

B, D

Explanation

Using the unplug and plug method for database migration to Oracle Cloud Infrastructure involves certain constraints, including the requirement for the source and target databases to have the same endianness and both need to be Container Databases (CDB). This method involves unplugging a pluggable database (PDB) from the source CDB and plugging it into the target CDB, necessitating compatibility in terms of endianness and database structure.

Questions # 7:

You are looking at migrating a large data centre to the Oracle Cloud while trying to consolidate many Oracle Databases at the same time. Which Oracle Data Management Service helps you achieve this?

Options:

oracle Exadata Cloud Service

oracle Data Safe

oracle MySQL Cloud Service

oracle Autonomous Database

Answer

Explanation

Oracle Exadata Cloud Service is designed to consolidate numerous Oracle Databases, providing high performance, scalability, and reliability. It offers a cloud-based platform with the same Exadata optimizations found in on-premises deployments, making it ideal for large data center migrations to Oracle Cloud.

Questions # 8:

Which Oracle product provides high performance bulk data movement, massively parallel data transformation using database or BI data technologies, and block-level data loading that leverages native data utilities?

Options:

Oracle Data Guard

Oracle Data Integrator

Oracle Analytics Server

Oracle Big Data

Answer

Explanation

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.

Questions # 9:

WI Autonomous Data Warehouse (ADW) package is leveraged by the Business Intelligence Cloud Connector (BICC) Loading Knowledge Modules, when using Oracle Data Integrator (ODI)?

Options:

ppms_cLoup_aDMIN

pams_cnoup_MacapM

pems_croup

sa_aupiT_ADMIN

Answer

Explanation

The dbms_cloud_admin package is used by Business Intelligence Cloud Connector (BICC) Loading Knowledge Modules in Oracle Data Integrator (ODI) when integrating with Autonomous Data Warehouse (ADW). This package provides administrative capabilities for managing cloud resources and services, facilitating efficient data loading processes.

Questions # 10:

Which TWO methods should you use when migrating a target database with different endianness than the source database? (Choose all correct answers)

Options:

RMAN DUPLICATE

RMAN Transportable Tablespaces with Data Pump

RMAN CONVERT

RMAN RESTORE from target

Answer

A, C

Explanation

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, whileRMAN CONVERT is used to convert data files between different formats, which is necessary when moving between platforms with different endianness.

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