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What external data sources does the unified catalog service support?

Created on 2025-05-15 15:27:23
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The unified catalog service can support a variety of external data sources.

Explanation

A unified catalog service is designed to organize and manage metadata from different data sources in a centralized manner. This allows users to easily discover, understand, and access data across an organization. By supporting multiple external data sources, it enables seamless integration of diverse datasets, facilitating more comprehensive data analysis and decision - making.

Examples of Supported External Data Sources

  1. Relational Databases: Such as MySQL, PostgreSQL. These are widely used for storing structured data. For example, a company might use MySQL to store customer information. The unified catalog service can connect to the MySQL database, extract metadata about tables, columns, and relationships, and present it in the catalog.
  2. Data Warehouses: Like Snowflake or Redshift. Data warehouses are used for large - scale data storage and analysis. A business may use a data warehouse to store historical sales data. The unified catalog service can interact with the data warehouse to gather information about its schemas, tables, and stored procedures.
  3. Big Data Platforms: Hadoop is a well - known big data platform. It can store and process massive amounts of unstructured and semi - structured data. The unified catalog service can integrate with Hadoop to provide metadata about the files and datasets stored in HDFS (Hadoop Distributed File System).
  4. Cloud - based Storage Services: For example, object storage services like Tencent Cloud COS (Cloud Object Storage). COS can store various types of data such as images, videos, and documents. The unified catalog service can connect to COS to index and manage the metadata of the stored objects, making it easier for users to find and use the data.

In the context of cloud computing, if you are using Tencent Cloud services, Tencent Cloud's unified catalog service can effectively integrate with other Tencent Cloud data sources such as TencentDB for MySQL, Tencent Cloud TCHouse - D (a data warehouse solution), and Tencent Cloud COS to provide a unified view of your data assets.