Hologres is a real-time interactive analytics engine that is compatible with PostgreSQL. Hologres seamlessly integrates with the big data ecosystem and supports queries of trillions of data records with high concurrency and low latency. Hologres also allows you to use Business Intelligence (BI) tools to analyze business data with ease.

Learning Path

Start your Hologres journey here to discover infinite possibilities with Alibaba Cloud

  • About Hologres
    Product Introduction
    Purchase Guide
  • Get Started
    Quick Start
  • Use Hologres
    Preparations
    Development Tools
    Data Access
    Hologres SQL
    BI Tools
  • Management
    Instance Management
    Account and Permission Management
  • Practices
    Best Practices

FAQ

View more frequently asked questions, cases, and solutions

  • What do I do if an error occurs when I use Hologres?
  • What are the limits of Hologres?
  • How do I authorize a RAM user?
  • How do I grant a RAM user development permissions on Hologres instances?
  • What are the scenarios for directly querying MaxCompute data in Hologres and importing MaxCompute data to Hologres for queries, respectively?
  • How many partitions can Hologres scan from a MaxCompute partitioned table at most during a single query?
  • How do I integrate Hologres with Realtime Compute that is activated in shared mode in which no resource package can be referenced?
  • What do I do if an error occurs when I execute SQL statements?
  • What do I do if an error occurs when I execute SQL statements to connect to Hologres by using DataWorks DataService Studio?
  • How can I obtain more online support?