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LevelDB vs. eXtremeDB

LevelDB eXtremeDB + Add column
Category
Preference (42% global votes) (47% global votes)
Website www.​oracle.​com/​database/​b…b/​index.​html www.​mcobject.​com
License
Design
Database model
Data storage
Embeddable Yes Yes
Features
Query language
Data types ?
Conditional entry updates Yes Yes
Map and reduce No No
Unicode Yes Yes
TTL for entries No Yes
Compression Yes Yes
Integrity
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions Yes Yes
Referential integrity No No
Revision control ? Yes
Locking model ?
Indexing
Secondary Indexes Yes Yes
Composite keys Yes Yes
Full text search Yes Yes
Geospatial Indexes No Yes
Graph support No Conditional
Distribution
Horizontal scalable Yes Yes
Replication Yes Yes
Replication mode
Sharding No Yes
Shared nothing architecture ? Yes
Restrictions
Value size max. 4 GB 100 TB
System requirements
Operating system
Native driver
Memory minimum ? 200 kB
Architecture
Programming language
More
Description key/value database Memory based database
Brand
Multi-user system Yes Yes
Documentation level ★★★★☆ ★★★★☆
Lines of code 1 748 k ?
Distributed Counter Yes ?
Free to use Yes No
Active Yes Yes
Creation Date 1994 ?
Community Driven Good No
Log Yes Yes
Download www.​oracle.​com/​technetwor…iteId=ocomen ?
Free for commercial use No No
Sorts Yes Yes
Corruption Resistant No ?
Database ?
Multilingual content ? Yes
Price rating ? ★★★☆☆
WYSIWYG-Editor ? No
Standard compliance ? Yes
Software distribution ?
Object-Relational Mapping (ORM) ? No
Release Date ? 12ᵗʰ September 2001
3D Screen ? No
RESTful ? No
Database Connection Pooling ? Yes
Real time analytics ? Yes
Web interface ? Yes
Data encryption ? Yes
2 Letter Country Code ? US
Cloud platform support ?
Online backup ? Yes
Partial Index ? Yes
Implementation flexibility (0% global votes) (44% global votes)
Backup functionality ? Excellent
Query Cache ? Yes
Ease of use ? ★★★★☆
In-Place Update ? Yes
Read preferences ? Yes
Open Source ? No
XInclude Support ? Yes
Triggers ? Yes
Perfomance ? ★★★★★
Cross Domain Testing ? Yes
Predictive Analytics ? No
Geospatial ? Yes
Text Analytics ? Yes
Server Side Java Script ? No
OData ? Yes
HTML5 Charts ? Yes
Decision Tables ? Yes
JSON ? Yes
Flexible Table(Schema) ? Yes
Stored Procedure ? No
Concurrency ? Yes
Auto-Sharding ? Yes
Monitoring UI ? Yes
Online backup (no locking) ? Yes
CLI` ? Yes
+ Add row ++
LevelDB eXtremeDB
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