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DBMS > Dgraph vs. Oracle Coherence vs. SQream DB vs. SWC-DB

System Properties Comparison Dgraph vs. Oracle Coherence vs. SQream DB vs. SWC-DB

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Editorial information provided by DB-Engines
NameDgraph  Xexclude from comparisonOracle Coherence  Xexclude from comparisonSQream DB  Xexclude from comparisonSWC-DB infoSuper Wide Column Database  Xexclude from comparison
DescriptionDistributed and scalable native Graph DBMSOracles in-memory data grid solutiona GPU-based, columnar RDBMS for big data analytics workloadsA high performance, scalable Wide Column DBMS
Primary database modelGraph DBMSKey-value storeRelational DBMSWide column store
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.45
Rank#156  Overall
#15  Graph DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Score0.70
Rank#227  Overall
#104  Relational DBMS
Score0.01
Rank#376  Overall
#13  Wide column stores
Websitedgraph.iowww.oracle.com/­java/­coherencesqream.comgithub.com/­kashirin-alex/­swc-db
www.swcdb.org
Technical documentationdgraph.io/­docsdocs.oracle.com/­en/­middleware/­standalone/­coherencedocs.sqream.com
DeveloperDgraph Labs, Inc.OracleSQream TechnologiesAlex Kashirin
Initial release2016200720172020
Current release14.1, August 20232022.1.6, December 20220.5, April 2021
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialcommercialOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoJavaC++, CUDA, Haskell, Java, ScalaC++
Server operating systemsLinux
OS X
Windows
All OS with a Java VMLinuxLinux
Data schemeschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyesyes, ANSI Standard SQL Types
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.nonono
Secondary indexesyesnono
SQL infoSupport of SQLnonoyesSQL-like query language
APIs and other access methodsGraphQL query language
gRPC (using protocol buffers) API
HTTP API
JCache
JPA
RESTful HTTP API
.Net
JDBC
ODBC
Proprietary protocol
Thrift
Supported programming languagesC#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
.Net
C++
Java
C++
Java
JavaScript (Node.js)
Python
C++
Server-side scripts infoStored proceduresnonouser defined functions in Pythonno
Triggersnoyes infoLive Eventsnono
Partitioning methods infoMethods for storing different data on different nodesyesShardinghorizontal and vertical partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSynchronous replication via Raftyes, with selectable consistency levelnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlno infoPlanned for future releasesauthentification to access the cache via certificates or http basic authentication

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More resources
DgraphOracle CoherenceSQream DBSWC-DB infoSuper Wide Column Database
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