What is the purpose of 'Data Blending' in OAC?

Data blending in Oracle Analytics Cloud (OAC) serves the specific purpose of integrating and combining data from various sources so that they can be analyzed together in a unified manner. This feature allows users to bring together disparate datasets, such as those from different databases or applications, without the need for extensive data preparation or transformation.

The strength of data blending lies in its ability to provide insights that are derived from a comprehensive view of the data, enabling users to make informed decisions based on a holistic perspective. Through this process, users can create visualizations and reports that reflect the combined information, which supports better analytical capabilities.

The other options do not accurately reflect the core function of data blending. While restricting access to specific users, creating backups, and filtering data are important activities in data management and analytics, they do not align with the key objective of blending data from multiple sources for unified analysis. Thus, the choice highlighting the combination of datasets stands out as the correct understanding of data blending in OAC.