LucidDB – RDBMS purpose-built entirely for data warehousing and business intelligence

LucidDB is a Database Management System (DBMS) optimized for business intelligence. Besides architectural innovations such as column-store, it supports many advanced features from SQL:2003, including SQL/MED and user-defined transformations written in Java.

LucidDB is the first and only open-source Relational DBMS purpose-built entirely for data warehousing and business intelligence.

It is based on architectural cornerstones such as column-store, bitmap indexing, hash join/aggregation, and page-level multiversioning.

Most database systems (both proprietary and open-source) start life with a focus on transaction processing capabilities, then get analytical capabilities bolted on. By contrast, every component of LucidDB was designed with the requirements of flexible, high-performance data integration and sophisticated query processing in mind. Moreover, comprehensiveness within the focused scope of its architecture means simplicity for the user: no DBA required.

Features include:

  • Storage:
    • Column-store tables.
    • Intelligent indexing.
    • Page-level multi-versioning.
    • Warehouse labels.
    • Hot+increment backup.
  • Optimization:
    • Star join optimization.
    • Cost-based join ordering and index selection.
  • Execution:
    • Hash join/aggregation.
    • Intelligent prefetch.
    • INSERT/UPSERT as bulk load.
  • Connectivity:
    • SQL/MED architecture.
    • JDBC foreign data wrapper.
    • Flat file foreign data wrapper.
    • Pluggability.
    • Pentaho Data Integration plugin.
  • Extensibility:
    • SQL/JRT architecture.
    • User-defined functions.
    • User-defined transformations.
    • Modify the system without compiling or reviewing the source code.
  • Standards:
    • SQL:2003.
    • JDBC.
    • UNICODE.
    • J2EE.

Website: luciddb.sourceforge.net
Support: FAQ
Developer: LucidEra, Inc. & The Eigenbase Project
License: Apache License 2.0

LucidDB is written in Java. Learn Java with our recommended free books and free tutorials.

Return to Relational Databases Home Page | Return to Data Warehouse Software Home Page


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