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System AWS Aurora ElasticSearch
 Name AWS Aurora ElasticSearch
 Version Version 4.2.8 Version 6.4.1 (released in September 2018)
 Drawbacks NA Elasticsearch AMI not available
 Advantages Managed RDBMS from AWS Large number of drivers present for integration
 Languages Supported Content Management Interoperability Services (CMIS) .Net Groovy Java JavaScript Perl PHP Python Ruby
 Website aws.amazon.com/rds/aurora/ www.elastic.co/­products/­elasticsearch
 XML Support no no
 JSON Support yes yes
 Brief description Aurora is available as part of the Amazon Relational Database Service (RDS). Although it is a proprietary technology it offers MySQL compatible service since its release . This was made PostgreSQL compatible since October 2017 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 Relational Database Key Value NoSQL Model
 Technical Documentation https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Aurora.Overview.html www.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.html
 License Commercial Open Source. Commercial version with HA available with redislabs.com
 Cloud-based / SaaS SaaS Service from AWS ElasticSearch Cloud Cluster available from ElasticSearch
 Implementation Language NA C,C++
 Operating System Supported Not Applicable as its managed by AWS Linux OS X Solaris Windows
 Options for Integration / Access API Restful HTTP Proprietary protocol using JSON
 Consistency NA Highly Consistent
 Foreign Keys Yes No
 Streaming Support Yes Yes
 Analytics Support NA NA
 Data Storage Schema NA Inverted Index
 Notable Users NA --
 Key Differentiator Supports MySQL as a SaaS service (Inno Db Engine). Disk Space provisioning done in 10 GB chunks automatically upto 64 TB. No known Enterprise Competitor apart from Amazaon Cloud Search
 Concurrency Yes Yes
 Partitioning No Yes
 Replication Yes Yes
 Secondary Indexes Yes based on secondary indexes using Solr Yes
 SchemaLess Yes Yes
 SQL Query No No