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DBMS > Memgraph vs. OpenQM vs. SAP HANA

System Properties Comparison Memgraph vs. OpenQM vs. SAP HANA

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Editorial information provided by DB-Engines
NameMemgraph  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonSAP HANA  Xexclude from comparison
DescriptionA hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleQpenQM is a high-performance, self-tuning, multi-value DBMSIn-memory, column based data store. Available as appliance or cloud service
Primary database modelGraph DBMSMultivalue DBMSRelational DBMS
Secondary database modelsDocument store
Graph DBMS infowith SAP Hana, Enterprise Edition
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.05
Rank#314  Overall
#30  Graph DBMS
Score0.27
Rank#243  Overall
#10  Multivalue DBMS
Score54.17
Rank#20  Overall
#13  Relational DBMS
Websitememgraph.comwww.openqm.comwww.sap.com/­products/­hana.html
Technical documentationdocs.memgraph.comwww.openqm.com/­support/­documentationhelp.sap.com/­hana
DeveloperMemgraph LtdMartin PhillipsSAP
Initial release201719932010
Current release3.4-122.0 SPS04, April 2019
License infoCommercial or Open Sourcecommercial infoFree license availableOpen Source infoGPLv2, extended commercial license availablecommercial
Cloud-based only infoOnly available as a cloud servicenonono infoalso available as a cloud based service
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++
Server operating systemsLinuxAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Appliance or cloud-service
Data schemeschema-free and schema-optionalyes infowith some exceptionsyes
Typing infopredefined data types such as float or dateyesyes
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.noyesno
Secondary indexesyesyes
SQL infoSupport of SQLnonoyes
APIs and other access methodsBolt protocol
Cypher query language
JDBC
ODBC
Supported programming languages.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresyesSQLScript, R
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infodynamic graph partitioningyesyes
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-Master replication using RAFTyesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyes inforelationships in graphsnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infowith snapshot isolationACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyes 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.yesyes
User concepts infoAccess controlUsers, roles and permissionsAccess rights can be defined down to the item levelyes

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More resources
MemgraphOpenQM infoalso called QMSAP HANA
Recent citations in the news

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