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DBMS > Memgraph vs. VoltDB

System Properties Comparison Memgraph vs. VoltDB

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Editorial information provided by DB-Engines
NameMemgraph  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionA hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleDistributed In-Memory NewSQL RDBMS infoUsed for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory
Primary database modelGraph DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.05
Rank#318  Overall
#31  Graph DBMS
Score1.71
Rank#116  Overall
#59  Relational DBMS
Websitememgraph.comwww.voltdb.com
Technical documentationmemgraph.com/­docsdocs.voltdb.com
DeveloperMemgraph LtdVoltDB Inc.
Initial release20172010
Current release9.0, April 2019
License infoCommercial or Open Sourcecommercial infoFree license availableOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++Java, C++
Server operating systemsLinuxLinux
OS X infofor development
Data schemeschema-free and schema-optionalyes
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.no
Secondary indexesyes
SQL infoSupport of SQLnoyes infoonly a subset of SQL 99
APIs and other access methodsBolt protocol
Cypher query language
Java API
RESTful HTTP/JSON API
JDBC
Supported programming languages.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresJava
Triggersno
Partitioning methods infoMethods for storing different data on different nodesSharding infodynamic graph partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-Master replication using RAFTMaster-master replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyes inforelationships in graphsno infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infowith snapshot isolationACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes infoData access is serialized by the server
Durability infoSupport for making data persistentyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlUsers, roles and permissionsUsers and roles with access to stored procedures

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More resources
MemgraphVoltDB
Recent citations in the news

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1 February 2019, PRNewswire

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3 October 2019, Market Report Gazette

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17 October 2019, All Times Tech

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10 October 2019, Datanami

provided by Google News

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