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DynamoDB vs. eXtremeDB

DynamoDB eXtremeDB + Add column
Preference (34% global votes) (47% global votes)
Website aws.​amazon.​com/​DynamoDB/​ www.​mcobject.​com
Database model
Data storage
Embeddable No Yes
Query language
Data types
Conditional entry updates Yes Yes
Map and reduce No No
Unicode Yes Yes
TTL for entries Yes Yes
Compression Yes Yes
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions Yes Yes
Referential integrity Yes No
Revision control Yes Yes
Locking model
Secondary Indexes Yes Yes
Composite keys Yes Yes
Full text search Yes Yes
Geospatial Indexes No Yes
Graph support ? Conditional
Horizontal scalable Yes Yes
Replication Yes Yes
Replication mode
Sharding Yes Yes
Shared nothing architecture Yes Yes
Value size max. 64 kB 100 TB
System requirements
Operating system
Native driver ?
Memory minimum ? 200 kB
Programming language
Description Key-value Memory based database
Multi-user system Yes Yes
Multilingual content Conditional Yes
Price rating ★★★☆☆ ★★★☆☆
Software distribution
Object-Relational Mapping (ORM) Yes No
Release Date 18ᵗʰ January 2012 12ᵗʰ September 2001
Documentation level ★★★★☆ ★★★★☆
RESTful Yes No
Distributed Counter Yes ?
Free to use Conditional No
Active Yes Yes
Database Connection Pooling No Yes
Real time analytics Yes Yes
Community Driven No No
WSDL Yes ?
Web interface Yes Yes
API Basic ?
Cloud platform support
Online backup No Yes
Function Based Index Yes ?
Log Yes Yes
Implementation flexibility (0% global votes) (44% global votes)
Backup functionality Basic Excellent
Ease of use ★★★★☆ ★★★★☆
Free for commercial use Yes No
Sorts Yes Yes
Perfomance ★★★★☆ ★★★★★
Cloud-enabled Yes ?
Materialized Views Yes ?
Spring Data Support Yes ?
Geospatial Yes Yes
Text Analytics No Yes
Server Side Java Script No No
JSON Yes Yes
Geo-distributed Yes ?
Fully Distributed Yes ?
Concurrency Yes Yes
Auto-Sharding Yes Yes
In business since 2012 ?
24/7 support Yes ?
Free edition Yes ?
Multi-statement Transactions No ?
memcached protocol No ?
Does your mom understand it No ?
Monitoring UI No Yes
CLI` Yes Yes
Lund Yes ?
WYSIWYG-Editor ? No
Standard compliance ? Yes
3D Screen ? No
Data encryption ? Yes
2 Letter Country Code ? US
Partial Index ? Yes
Query Cache ? Yes
In-Place Update ? Yes
Read preferences ? Yes
Open Source ? No
XInclude Support ? Yes
Triggers ? Yes
Cross Domain Testing ? Yes
Predictive Analytics ? No
OData ? Yes
HTML5 Charts ? Yes
Decision Tables ? Yes
Flexible Table(Schema) ? Yes
Stored Procedure ? No
Online backup (no locking) ? Yes
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DynamoDB eXtremeDB
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