Data model
Multivalue (Pick) databases
Pick-style records with multi-valued fields, a long-lived niche in ERP and vertical software. The leading options are Rocket UniData / UniVerse, Software AG Adabas and Model 204.
10 active · ordered by fit for this category, then WhichDB Score
Rocket's Pick-style MultiValue databases, powering thousands of vertical business applications.
Inverted-list, multi-value mainframe database paired with Natural, run as a standalone Software AG business.
Rocket Software's mainframe inverted-list DBMS, in production since 1972 and still getting releases.
Schema-less multi-model engine from Germany's Cortex AG, now sold as CortexEngine within Cortex-IP.
MultiValue database that compiles Pick BASIC to native code, now part of Rocket's MV portfolio.
Compact MultiValue (Pick) database from Ladybridge, once GPL-licensed, now Rocket's entry-level MV product.
The original commercial Pick MultiValue database (1973), still sold and updated by NEC Software Solutions.
The direct descendant of the original Pick system: a MultiValue database and environment on Linux and Windows.
Multi-model data platform (SQL, objects, globals, vectors) with built-in interoperability, big in healthcare.
Boiler Bay's all-Java embedded B-tree database with a ConcurrentNavigableMap API and a server edition.
deprecated, discontinued & research · 1
related
license legend · Open source (permissive) · Open source (copyleft) · Source-available · Proprietary