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DBMS > Amazon Aurora vs. Dgraph vs. EXASOL vs. IBM Cloudant vs. Snowflake

System Properties Comparison Amazon Aurora vs. Dgraph vs. EXASOL vs. IBM Cloudant vs. Snowflake

Editorial information provided by DB-Engines
NameAmazon Aurora  Xexclude from comparisonDgraph  Xexclude from comparisonEXASOL  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonSnowflake  Xexclude from comparison
DescriptionMySQL and PostgreSQL compatible cloud service by AmazonDistributed and scalable native Graph DBMSHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Database as a Service offering based on Apache CouchDBCloud-based data warehousing service for structured and semi-structured data
Primary database modelRelational DBMSGraph DBMSRelational DBMSDocument storeRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score8.50
Rank#49  Overall
#31  Relational DBMS
Score1.48
Rank#158  Overall
#15  Graph DBMS
Score2.25
Rank#120  Overall
#57  Relational DBMS
Score2.73
Rank#108  Overall
#20  Document stores
Score123.20
Rank#9  Overall
#6  Relational DBMS
Websiteaws.amazon.com/­rds/­auroradgraph.iowww.exasol.comwww.ibm.com/­products/­cloudantwww.snowflake.com
Technical documentationdocs.aws.amazon.com/­AmazonRDS/­latest/­AuroraUserGuide/­CHAP_Aurora.htmldgraph.io/­docswww.exasol.com/­resourcescloud.ibm.com/­docs/­Cloudantdocs.snowflake.net/­manuals/­index.html
DeveloperAmazonDgraph Labs, Inc.ExasolIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014Snowflake Computing Inc.
Initial release20152016200020102014
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0commercialcommercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesnonoyesyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoErlang
Server operating systemshostedLinux
OS X
Windows
hostedhosted
Data schemeyesschema-freeyesschema-freeyes infosupport of semi-structured data formats (JSON, XML, Avro)
Typing infopredefined data types such as float or dateyesyesyesnoyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.yesnononoyes
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyesnoyesnoyes
APIs and other access methodsADO.NET
JDBC
ODBC
GraphQL query language
gRPC (using protocol buffers) API
HTTP API
.Net
JDBC
ODBC
WebSocket
RESTful HTTP/JSON APICLI Client
JDBC
ODBC
Supported programming languagesAda
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Java
Lua
Python
R
C#
Java
JavaScript
Objective-C
PHP
Ruby
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresyesnouser defined functionsView functions (Map-Reduce) in JavaScriptuser defined functions
Triggersyesnoyesyesno infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningyesShardingShardingyes
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationSynchronous replication via RaftMulti-source replication
Source-replica replication
yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infoHadoop integrationyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDno infoatomic operations within a document possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoOptimistic lockingyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnono
User concepts infoAccess controlfine grained access rights according to SQL-standardno infoPlanned for future releasesAccess rights for users, groups and roles according to SQL-standardAccess rights for users can be defined per databaseUsers with fine-grained authorization concept, user roles and pluggable authentication

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More resources
Amazon AuroraDgraphEXASOLIBM CloudantSnowflake
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