Data Federation (Preview)

Note

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Data federation service provides data query and file writing services for application developers and data analysts. Users can realize unified query and data writing of heterogeneous data sources through unified and standard SQL statements.

Overview

For application developers and data analysts, the Data federation service provides data query and file writing services for multi-source heterogeneous data storage systems.

Channel Management

The Data Federation service provides a unified data access layer to shield the differences among heterogeneous data sources. Before querying data from data storage systems or writing data to data storage systems, you need to create corresponding data reading or writing channels.

Channel Authorization

After the channels are created, you can authorize the channels to specified applications for reading and writing data through the channels.

Data Read and Write

Authorized applications can call the REST APIs to access the data sources.

Data Query

The Data Federation service provides an interface for developers to query data from various data sources and helps with debugging and analysis.