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cassandra vs. PostgreSQL

cassandra PostgreSQL + Add column
Preference 50% votes 50% votes
Website sqlite.​org 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 Yes Yes
Locking model
Secondary Indexes Yes Yes
Composite keys Yes Yes
Full text search Yes Yes
Geospatial Indexes Yes Yes
Graph support No Conditional
Horizontal scalable No Yes
Replication No Yes
Replication mode ?
Sharding No Yes
Value size max. 140 TB 1 GB
System requirements
Operating system
Native driver ?
Memory minimum 100 kB 32 MB
Programming language
Description disk/memory storable Object-Relational Database Management System
Multi-user system No Yes
Price rating ★★★★★ ★★★★★
Object-Relational Mapping (ORM) Yes Yes
Documentation level ★★★★★ ★★★★★
Free to use Yes Yes
Active Yes Yes
Database Connection Pooling Yes Yes
Web interface No Yes
Master-Master Replication No ?
Online backup Yes Yes
Partial Index Yes Yes
Function Based Index Yes Yes
Download sqlite.​org/​download.​html www.​postgresql.​org/​download/​
Backup functionality Good Good
Query Cache Yes Yes
Ease of use ★★★★★ ★★★★★
Free for commercial use Yes Yes
Open Source Yes Yes
Triggers Yes Yes
Perfomance ★★★★★ ★★★★★
Geospatial Yes Yes
Text Analytics Yes Yes
JSON Yes Yes
Stored Procedure No Yes
Does your mom understand it No ?
More Yes ?
Extension/Plug-in ? Yes
Multilingual content ? Yes
WYSIWYG-Editor ? Yes
Multiple projects ? Yes
Standard compliance ? Yes
Software distribution ?
Release Date ? May 1995
RESTful ? Yes
Lines of code ? 839 k
Real time analytics ? Yes
Creation Date ? 1995
Community Driven ? Good
Data encryption ? Yes
API ? Good
XML Aware ? Good
Color ?
Cloud platform support ?
Log ? Yes
Implementation flexibility (0% global votes) (83% global votes)
Level of access authorization ?
In-Place Update ? Yes
Sorts ? Yes
Tuneable write concerns ? Yes
Read preferences ? 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
Server Side Java Script ? Yes
HTML5 Charts ? No
Flexible Table(Schema) ? Yes
Geo-distributed ? Yes
Batch Loading ? Yes
ORM Join Support ? Yes
Fully Distributed ? Yes
Concurrency ? Yes
Auto-Sharding ? No
Contributors ? 21
24/7 support ? Yes
Free edition ? Yes
SQL Queries ? Yes
User and Group role based security model ? Yes
3D Support ? No
Monitoring UI ? Yes
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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cassandra PostgreSQL
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