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Teradata vs. CouchDB

Teradata CouchDB + Add column
Preference (50% global votes) (35% global votes)
Website www.​teradata.​com/​t/​produc…teradata-13/​ couchdb.​apache.​org
Database model
Data storage
Embeddable No Yes
Query language
Data types
Conditional entry updates Yes Yes
Map and reduce Yes Yes
Unicode 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 No
Geospatial Indexes Yes No
Graph support ? No
Horizontal scalable Yes Yes
Replication Yes Yes
Replication mode
Sharding Yes Yes
Shared nothing architecture Yes Yes
Value size max. 234 PB ?
System requirements
Operating system
Native driver ?
Programming language
Description EDW/ ANALYTICS for petabytes Document Oriented Database
Multi-user system Yes Yes
Price rating ★★☆☆☆ ★★★★★
Standard compliance Yes Yes
Release Date August 2013 2005
Documentation level ★★★★★ ★★★★☆
Free to use Conditional Yes
Active Yes Yes
Database Connection Pooling Yes ?
Real time analytics Yes Yes
Community Driven No Good
Web interface Yes Yes
2 Letter Country Code US ?
Partial Index No ?
Log Yes Yes
Implementation flexibility (63% global votes) (20% global votes)
Backup functionality Good 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 ?
Open Source No Yes
Triggers Yes ?
Perfomance ★★★☆☆ ★★★★★
Cross Domain Testing Yes ?
Pipeline Aggregation Yes ?
Predictive Analytics Yes ?
Geospatial Yes Yes
JSON Yes Yes
Flexible Table(Schema) No Yes
Stored Procedure Yes ?
Concurrency Yes Yes
24/7 support Yes ?
SQL Queries Yes ?
Multi-statement Transactions Yes No
Monitoring UI Yes Yes
Columner Yes ?
Apache Spark Integration Yes ?
Brand ?
Software distribution ?
Synchronisation ?
RESTful ? Yes
Lines of code ? 164 k
Creation Date ? June 2008
Data encryption ? No
API ? Good
Cloud platform support ?
Online backup ? Yes
Function Based Index ? Yes
Download ? https:/​/​couchdb.​apache.​org/​#download
Tuneable write concerns ? Yes
Server side custom code ? Yes
Materialized Views ? Yes
Server Side Java Script ? Yes
Geo-distributed ? Yes
Ajax ? Yes
Re-Reduce ? Yes
Fully Distributed ? Yes
Auto-Sharding ? No
Contributors ? 102
Free edition ? Yes
memcached protocol ? No
Does your mom understand it ? No
CLI` ? No
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Teradata CouchDB
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