| Editorial information provided by DB-Tools |
| System |
| Name |
CouchDB |
ElasticSearch |
| Version |
3.3.5 |
Version 6.4.1 (released in September 2018)
|
| Drawbacks |
1 Does not have capabilities present in an RDF data store e.g does not support SparQL |
Elasticsearch AMI not available |
| Advantages |
NA |
Large number of drivers present for integration |
| Languages Supported |
.net, C#, Javascript |
.Net
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby |
| Website |
apache.couchdb.org |
www.elastic.co/products/elasticsearch |
| XML Support |
NA |
no |
| JSON Support |
yes |
yes |
| Brief description |
Open Source Transactional database with native graph storage and processing |
Elasticsearch is a search engine based on Lucene. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents. |
| Database Model |
Property Graph |
Key Value NoSQL Model |
| Technical Documentation |
docs.microsoft.com/en-us/azure/cosmos-db |
www.elastic.co/guide/en/elasticsearch/reference/current/index.html |
| License |
Community license can be run on 1 node.Enterprise License supports multi-node cluster deployment |
Open Source. Commercial version with HA available with redislabs.com |
| Cloud-based / SaaS |
Amazon AMI available, On Prem can be installed |
ElasticSearch Cloud Cluster available from ElasticSearch |
| Implementation Language |
Java API |
C,C++ |
| Operating System Supported |
Linux , OS X, Windows |
Linux
OS X
Solaris
Windows
|
| Options for Integration / Access API |
Rest API |
Proprietary protocol using JSON |
| Consistency |
NA |
Highly Consistent |
| Foreign Keys |
No |
No |
| Streaming Support |
No |
Yes |
| Analytics Support |
No |
NA |
| Data Storage Schema |
Key Value Store presented as Document DB |
Inverted Index |
| Notable Users |
-- |
-- |
| Key Differentiator |
-- |
No known Enterprise Competitor apart from Amazaon Cloud Search |
| Concurrency |
-- |
Yes |
| Partitioning |
-- |
Yes |
| Replication |
-- |
Yes |
| Secondary Indexes |
-- |
Yes |
| SchemaLess |
-- |
Yes |
| SQL Query |
-- |
No |
