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LMDB vs. eXist-db

LMDB eXist-db + Add column
Category
Preference (57% global votes) (55% global votes)
Website symas.​com/​mdb exist-db.​org
License
Design
Database model
Data storage
Embeddable Yes Yes
Features
Query language
Data types
Conditional entry updates No Yes
Map and reduce No No
Unicode No Yes
TTL for entries No ?
Compression No Yes
Integrity
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes ?
Durability (data storage) Yes Yes
Transactions Yes Conditional
Referential integrity No No
Revision control No ?
Locking model
Indexing
Secondary Indexes No Yes
Composite keys No ?
Full text search No Yes
Geospatial Indexes No Yes
Graph support No Yes
Distribution
Horizontal scalable No No
Replication No Yes
Replication mode
Sharding No No
Shared nothing architecture ? No
Restrictions
Value size max. 4 GB ?
System requirements
Operating system
Native driver
Memory minimum 64 kB ?
Architecture
Programming language
More
Description Memory-Mapped, Copy-on-Write XML Database
Brand ?
Multi-user system Yes Yes
Database ?
Price rating ★★★★★ ★★★★★
Software distribution
Release Date September 2011 2000
Documentation level ★★★★★ ★★★★☆
Lines of code 7 k ?
Free to use Yes Yes
Active Yes Yes
Real time analytics Yes Yes
Creation Date 2009 ?
Community Driven Good Yes
API Basic Good
Online backup Yes ?
Function Based Index No ?
Implementation flexibility (50% global votes) (50% global votes)
Download gitorious.​org/​mdb https:/​/​bintray.​com/​exist…leases/​exist
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 ?
Corruption Resistant Yes ?
Extension/Plug-in ? Yes
Multilingual content ? Yes
WYSIWYG-Editor ? Yes
Multiple projects ? Yes
Standard compliance ? Yes
Template language ?
Target audience ?
Object-Relational Mapping (ORM) ? No
RESTful ? Yes
Dynamic typing ? No
Programming paradigm ?
Comments ? Yes
Web interface ? Yes
Versioning ? Good
XML Aware ? Good
Color ?
Log ? Yes
Community feedback ? ★★★★☆
Easy of Use ? Yes
XInclude Support ? Yes
XUpdate Support ? Yes
XQuery Support ? Yes
Triggers ? Yes
Cloud-enabled ? Yes
Geospatial ? Yes
Free edition ? Yes
? Yes
Monitoring UI ? Yes
Recursive queries ? Yes
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LMDB eXist-db
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