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LMDB vs. Virtuoso

LMDB Virtuoso + Add column
LMDB OpenLink Virtuoso
Category
Preference (57% global votes) (64% global votes)
Website symas.​com/​mdb virtuoso.​openlinksw.​com
License
Design
Database model
Data storage
Embeddable Yes Yes
Features
Query language
Data types
Conditional entry updates No Yes
Map and reduce No Yes
Unicode No Yes
TTL for entries No Yes
Compression No Yes
Integrity
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions Yes Yes
Referential integrity No Yes
Revision control No Yes
Locking model
Indexing
Secondary Indexes No Yes
Composite keys No Yes
Full text search No Yes
Geospatial Indexes No Yes
Graph support No Yes
Graph type ?
Distribution
Horizontal scalable No Yes
Replication No Yes
Replication mode
Sharding No Yes
Shared nothing architecture ? Yes
Restrictions
Value size max. 4 GB 4 GB
System requirements
Operating system
Native driver
Memory minimum 64 kB 73 MB
Architecture
Programming language
More
Description Memory-Mapped, Copy-on-Write Hybrid Co-Relational (Tables & Property Graph) Database Management System
Brand
Multi-user system Yes Yes
Database
Price rating ★★★★★ ★★★★☆
Software distribution
Release Date September 2011 1998
Documentation level ★★★★★ ★★★★★
Lines of code 7 k ?
Free to use Yes Conditional
Active Yes Yes
Real time analytics Yes Conditional
Creation Date 2009 ?
Community Driven Good Good
API Basic Good
Online backup Yes Yes
Function Based Index No Yes
Implementation flexibility (50% global votes) (100% global votes)
Download gitorious.​org/​mdb virtuoso.​openlinksw.​com/​download/​
Backup functionality Good Good
Query Cache No Yes
Ease of use ★★★★☆ ★★★★☆
In-Place Update Yes Yes
Free for commercial use Yes Yes
Sorts Yes Yes
Read preferences No ?
Open Source Yes Yes
Maximum size 9.2 EB ?
Perfomance ★★★★★ ★★★★★
JSON Yes Yes
Batch Loading Yes Yes
Corruption Resistant Yes ?
Extension/Plug-in ? Yes
Multilingual content ? Yes
WYSIWYG-Editor ? Yes
Multiple projects ? Yes
Standard compliance ? Yes
Template language ?
Target audience ?
Scaffolding ? Yes
Synchronisation ?
Object-Relational Mapping (ORM) ? Yes
RESTful ? Yes
Dynamic typing ? Yes
Programming paradigm ?
Distributed Counter ? Yes
Database Connection Pooling ? Yes
WSDL ? Yes
Web interface ? Yes
Data encryption ? Yes
XML Aware ? Good
Data Access Standard ?
Cloud platform support ?
Partial Index ? Yes
Log ? Yes
Level of access authorization ?
Tuneable write concerns ? Yes
XQuery Support ? Yes
Triggers ? Yes
Server side custom code ? Yes
Minimal memory footprint ? 64 MB
Geospatial ? Yes
Text Analytics ? Yes
Server Side Java Script ? Yes
Flexible Table(Schema) ? Yes
Geo-distributed ? Yes
Ajax ? Yes
Re-Reduce ? Yes
Clustering over WAN ? Yes
Fully Distributed ? Yes
Visualizer ? Yes
Stored Procedure ? Yes
Auto-Sharding ? Yes
In business since ? May 1992
24/7 support ? Yes
Free edition ? Yes
Multi-statement Transactions ? Yes
Monitoring UI ? Yes
Recursive queries ? Yes
CLI` ? Yes
Original Release Date ? 1998
Latest Release Date ? 26ᵗʰ April 2016
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LMDB Virtuoso
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