ALTIBASE® HDB™: In-Memory DBMS with Hybrid Architecture

ALTIBASE® HDB™ is the only Hybrid DBMS in the industry that combines an in-memory DBMS with an on-disk DBMS, with a single uniform interface, enabling real-time access to large volumes of data, while simplifying and revolutionizing data processing.

Fastest Performance

  • Optimized for fastest transactional processing with the shortest response times measured in microseconds
  • Powered by special algorithms and data structures that are highly optimized for in-memory computing to avoid latency
  • Advanced techniques to achieve highest data throughput
  • Offers Innovative Concurrency and Data Consistency Controls


Complete Database

  • Fully ACID-compliant
  • Most Complete in-memory DBMS in the industry supporting a broad range of SQL standards
  • Compatible with all standard interfaces and programming languages (ODBC, JDBC, OLE DB, .Net, Java, C/C++, Precompiler)
  • Bundled with an abundance of Tools and Utilities for ease of use and enhanced productivity


Highly Available and Scalable

  • Built-in Replication Feature for High Availability and Scalability
  • Continuous transactional replication to support Active-Active and Active-Standby fault tolerance configurations
  • Shared-nothing Architecture
  • Adaptive Consistency supporting Synchronous and Asynchronous modes
  • Scalability and Load Balancing across 32-nodes over TCP/IP networks


Superior Flexibility

  • Combines the benefits of in-memory storage and on-disk storage in a single relational database.
  • The hybrid architecture empowers customers with the flexibility to run in three different modes; in-memory, on-disk or a combination of in-memory and on-disk.
  • Adjustable durability levels for varying application performance and consistency needs


Lower TCO

  • Lower License Fees
  • Lower Maintenance Fees
  • Efficient Utilization of System Resources



  • Loyal and Satisfied Customer Base
  • Altibase clients use ALTIBASE® HDB™ for mission-critical real-time applications
  • Altibase is the trusted solution for Telecommunications, Financial Services, Manufacturing and Public Sector companies across the globe