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DynamoDB vs. PostgreSQL

DynamoDB PostgreSQL + Add column
Category
Preference 50% votes 50% votes
Website aws.​amazon.​com/​DynamoDB/​ postgresql.​org
License
Design
Database model
Data storage
Embeddable No No
Features
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
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions Yes Yes
Referential integrity Yes Yes
Revision control Yes Yes
Locking model
Indexing
Secondary Indexes Yes Yes
Composite keys Yes Yes
Full text search No Yes
Geospatial Indexes No Yes
Graph support No Conditional
Distribution
Horizontal scalable Yes Yes
Replication Yes Yes
Replication mode
Sharding Yes Yes
Shared nothing architecture Yes ?
Restrictions
Value size max. 64 kB 1 GB
System requirements
Operating system
Native driver ?
Memory minimum ? 32 MB
Architecture
Programming language
More
Description Key-value Object-Relational Database Management System
Brand
Multi-user system Yes Yes
Software distribution
Object-Relational Mapping (ORM) Yes Yes
Release Date 18ᵗʰ January 2012 May 1995
Documentation level ★★★★☆ ★★★★★
Distributed Counter Yes ?
Free to use Conditional Yes
Active Yes Yes
Real time analytics Yes Yes
Community Driven No Good
WSDL Yes ?
Web interface Yes Yes
Cloud platform support
Online backup No Yes
Function Based Index Yes Yes
Log Yes Yes
Implementation flexibility (0% global votes) (83% global votes)
Backup functionality Basic Good
Ease of use ★★★★☆ ★★★★★
Free for commercial use Yes Yes
Sorts Yes Yes
Perfomance ★★★★☆ ★★★★★
Materialized Views Yes Yes
Spring Data Support Yes Yes
Geospatial Yes Yes
JSON Yes Yes
Geo-distributed Yes Yes
Fully Distributed Yes Yes
Auto-Sharding Yes No
24/7 support Yes Yes
Free edition Yes Yes
Does your mom understand it No ?
Monitoring UI No Yes
Lund Yes ?
Extension/Plug-in ? Yes
Database ?
Multilingual content ? Yes
Price rating ? ★★★★★
WYSIWYG-Editor ? Yes
Multiple projects ? Yes
Standard compliance ? Yes
RESTful ? Yes
Lines of code ? 839 k
Database Connection Pooling ? Yes
Creation Date ? 1995
Data encryption ? Yes
API ? Good
XML Aware ? Good
Color ?
Partial Index ? Yes
Download ? www.​postgresql.​org/​download/​
Level of access authorization ?
Query Cache ? Yes
In-Place Update ? Yes
Tuneable write concerns ? Yes
Read preferences ? Yes
Open Source ? Yes
Op/s ? 1 000 005
XQuery Support ? Yes
Triggers ? Yes
Server side custom code ? Yes
Cloud-enabled ? Yes
Minimal memory footprint ? 32 MB
Multivariate Testing ? Yes
Pipeline Aggregation ? Yes
Text Analytics ? Yes
Server Side Java Script ? Yes
HTML5 Charts ? No
Flexible Table(Schema) ? Yes
Batch Loading ? Yes
ORM Join Support ? Yes
Stored Procedure ? Yes
Concurrency ? Yes
Contributors ? 21
SQL Queries ? Yes
User and Group role based security model ? Yes
3D Support ? No
Recursive queries ? Yes
Network datatype ? Yes
Windowed aggregate ? Yes
Online backup (no locking) ? Yes
CLI` ? Yes
Point In Time Recovery ? Yes
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DynamoDB PostgreSQL
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