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eXtremeDB vs. PostgreSQL

eXtremeDB PostgreSQL + Add column
Preference (47% global votes) (66% global votes)
Website www.​mcobject.​com postgresql.​org
Database model
Data storage
Embeddable Yes No
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 No Yes
Revision control Yes ?
Locking model
Secondary Indexes Yes Yes
Composite keys Yes Yes
Full text search Yes Yes
Geospatial Indexes Yes Yes
Graph support Conditional Conditional
Horizontal scalable Yes Yes
Replication Yes Yes
Replication mode
Sharding Yes Yes
Shared nothing architecture Yes ?
Value size max. 100 TB 1 GB
System requirements
Operating system
Native driver
Memory minimum 200 kB 32 MB
Programming language
Description Memory based database Object-Relational Database Management System
Multi-user system Yes Yes
Multilingual content Yes Yes
Price rating ★★★☆☆ ★★★★★
WYSIWYG-Editor No Yes
Standard compliance Yes Yes
Software distribution
Object-Relational Mapping (ORM) No Yes
Release Date 12ᵗʰ September 2001 May 1995
3D Screen No ?
Documentation level ★★★★☆ ★★★★★
RESTful No Yes
Free to use No Yes
Active Yes Yes
Database Connection Pooling Yes Yes
Real time analytics Yes Yes
Community Driven No Good
Web interface Yes Yes
Data encryption Yes Yes
2 Letter Country Code US ?
Cloud platform support
Online backup Yes Yes
Partial Index Yes Yes
Log Yes Yes
Implementation flexibility (44% global votes) (77% global votes)
Backup functionality Excellent Good
Query Cache Yes Yes
Ease of use ★★★★☆ ★★★★★
In-Place Update Yes Yes
Free for commercial use No Yes
Sorts Yes Yes
Read preferences Yes Yes
Open Source No Yes
XInclude Support Yes ?
Triggers Yes Yes
Perfomance ★★★★★ ★★★★★
Cross Domain Testing Yes ?
Predictive Analytics No ?
Geospatial Yes Yes
Text Analytics Yes Yes
Server Side Java Script No Yes
OData Yes ?
HTML5 Charts Yes No
Decision Tables Yes ?
JSON Yes Yes
Flexible Table(Schema) Yes Yes
Stored Procedure No Yes
Concurrency Yes Yes
Auto-Sharding Yes No
Monitoring UI Yes Yes
Online backup (no locking) Yes Yes
CLI` Yes Yes
Extension/Plug-in ? Yes
Multiple projects ? Yes
Lines of code ? 839 k
Creation Date ? 1995
API ? Good
XML Aware ? Good
Color ?
Function Based Index ? Yes
Download ? www.​postgresql.​org/​download/​
Level of access authorization ?
Tuneable write concerns ? Yes
Op/s ? 1 000 005
XQuery Support ? Yes
Server side custom code ? Yes
Cloud-enabled ? Yes
Minimal memory footprint ? 32 MB
Multivariate Testing ? Yes
Materialized Views ? Yes
Pipeline Aggregation ? Yes
Spring Data Support ? Yes
Geo-distributed ? Yes
Batch Loading ? Yes
ORM Join Support ? Yes
Fully Distributed ? Yes
Contributors ? 21
24/7 support ? Yes
Free edition ? Yes
SQL Queries ? Yes
User and Group role based security model ? Yes
3D Support ? No
Recursive queries ? Yes
Network datatype ? Yes
Windowed aggregate ? Yes
Point In Time Recovery ? Yes
+ Add row ++
eXtremeDB PostgreSQL
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