This topic describes how to use Hologres.

Hologres is a real-time data warehousing service designed for enterprise-level analysis and service integration. Hologres provides real-time data writes and updates, as well as queries of petabytes of data.

If you are new to Hologres, we recommend that you read the following topics:
  • What is Hologres?: provides an overview of Hologres and describes its features and use scenarios.
  • Billing methods: introduces the pricing and billing methods of Hologres.
The following flowchart shows the procedure to use Hologres.
  1. Create an Alibaba Cloud account: Before you use Hologres, you must have an Alibaba Cloud account ready. This topic describes how to create an Alibaba Cloud account and create an AccessKey pair for the account.
  2. Purchase a Hologres instance: After you have created an Alibaba Cloud account, you must purchase a Hologres instance. This topic describes how to use your Alibaba Cloud account to purchase a Hologres instance.
  3. Create a database: After you have purchased a Hologres instance, you must create a database. This topic describes how to create a database in the Hologres console or from the PostgreSQL client.
  4. Connect to the development tool: After you have created a database, you must connect to the development tool to develop and manage the database. This topic describes how to develop and manage the database in the HoloWeb console.
  5. Query data in Hologres: This topic describes how to import and query data in foreign tables and internal tables in Hologres.