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DBMS > EJDB vs. Memgraph vs. SAP IQ vs. Stardog

System Properties Comparison EJDB vs. Memgraph vs. SAP IQ vs. Stardog

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonMemgraph  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonStardog  Xexclude from comparison
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)An open source graph database built for real-time streaming and compatible with Neo4jColumnar RDBMS optimized for Big Data analyticsEnterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualization
Primary database modelDocument storeGraph DBMSRelational DBMS infocolumn-orientedGraph DBMS
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.27
Rank#297  Overall
#44  Document stores
Score3.02
Rank#98  Overall
#8  Graph DBMS
Score2.75
Rank#104  Overall
#53  Relational DBMS
Score2.02
Rank#123  Overall
#11  Graph DBMS
#6  RDF stores
Websitegithub.com/­Softmotions/­ejdbmemgraph.comwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlwww.stardog.com
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdmemgraph.com/­docshelp.sap.com/­docs/­SAP_IQdocs.stardog.com
Social network pagesLinkedInTwitterFacebookGitHubDiscord
DeveloperSoftmotionsMemgraph LtdSAP, formerly SybaseStardog-Union
Initial release2012201719942010
Current release16.1 SPS04, April 20197.3.0, May 2020
License infoCommercial or Open SourceOpen Source infoGPLv2Open Source infoBSL 1.1; commercial license for enterprise edition availablecommercialcommercial info60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/students
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC and C++Java
Server operating systemsserver-lessLinuxAIX
HP-UX
Linux
Solaris
Windows
Linux
macOS
Windows
Data schemeschema-freeschema-free and schema-optionalyesschema-free and OWL/RDFS-schema support
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesyesyes
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 infoImport/export of XML data possible
Secondary indexesnoyesyes infosupports real-time indexing in full-text and geospatial
SQL infoSupport of SQLnonoyesYes, compatible with all major SQL variants through dedicated BI/SQL Server
APIs and other access methodsin-process shared libraryBolt protocol
Cypher query language
ADO.NET
JDBC
ODBC
RESTful HTTP API
GraphQL query language
HTTP API
Jena RDF API
OWL
RDF4J API
Sesame REST HTTP Protocol
SNARL
SPARQL
Spring Data
Stardog Studio
TinkerPop 3
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
C
C#
C++
Java
Perl
PHP
Python
Ruby
.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
Server-side scripts infoStored proceduresnoyesuser defined functions and aggregates, HTTP Server extensions in Java
Triggersnoyesyes infovia event handlers
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infodynamic graph partitioningshared disk or shared nothing architectures with SAP IQ Multiplexernone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication using RAFTSAP/Sybase Replication ServerMulti-source replication in HA-Cluster
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency in HA-Cluster
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possibleyes inforelationships in graphsyesyes inforelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infowith snapshot isolationACIDACID
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlnoUsers, roles and permissionsfine grained access rights according to SQL-standardAccess rights for users and roles
More information provided by the system vendor
EJDBMemgraphSAP IQ infoformer name: Sybase IQStardog
Specific characteristicsMemgraph directly connects to your streaming infrastructure so you and your team...
» more
Competitive advantagesBusiness Source License ensures a future for the Memgraph community MAGE algorithm...
» more
Typical application scenariosGraph algorithms in bioinformatics Social network analysis Cryptocurrency network...
» more
Licensing and pricing modelsYou can check out our pricing model and licenses on the company website .
» more

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More resources
EJDBMemgraphSAP IQ infoformer name: Sybase IQStardog
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