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DBMS > EXASOL vs. Memgraph vs. SAP IQ vs. VelocityDB vs. XTDB

System Properties Comparison EXASOL vs. Memgraph vs. SAP IQ vs. VelocityDB vs. XTDB

Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonMemgraph  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonVelocityDB  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.An open source graph database built for real-time streaming and compatible with Neo4jColumnar RDBMS optimized for Big Data analyticsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)A general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelRelational DBMSGraph DBMSRelational DBMS infocolumn-orientedGraph DBMS
Object oriented DBMS
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score3.02
Rank#98  Overall
#8  Graph DBMS
Score2.75
Rank#104  Overall
#53  Relational DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Score0.11
Rank#343  Overall
#46  Document stores
Websitewww.exasol.commemgraph.comwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlvelocitydb.comgithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationwww.exasol.com/­resourcesmemgraph.com/­docshelp.sap.com/­docs/­SAP_IQvelocitydb.com/­UserGuidewww.xtdb.com/­docs
Social network pagesLinkedInTwitterFacebookGitHubDiscord
DeveloperExasolMemgraph LtdSAP, formerly SybaseVelocityDB IncJuxt Ltd.
Initial release20002017199420112019
Current release16.1 SPS04, April 20197.x1.19, September 2021
License infoCommercial or Open SourcecommercialOpen Source infoBSL 1.1; commercial license for enterprise edition availablecommercialcommercialOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++C#Clojure
Server operating systemsLinuxAIX
HP-UX
Linux
Solaris
Windows
Any that supports .NETAll OS with a Java 8 (and higher) VM
Linux
Data schemeyesschema-free and schema-optionalyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesyesyes, extensible-data-notation format
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.nonononono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyesnoyesnolimited SQL, making use of Apache Calcite
APIs and other access methods.Net
JDBC
ODBC
WebSocket
Bolt protocol
Cypher query language
ADO.NET
JDBC
ODBC
RESTful HTTP API
.NetHTTP REST
JDBC
Supported programming languagesJava
Lua
Python
R
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
C
C#
C++
Java
Perl
PHP
Python
Ruby
.NetClojure
Java
Server-side scripts infoStored proceduresuser defined functionsyesnono
TriggersyesyesCallbacks are triggered when data changesno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infodynamic graph partitioningshared disk or shared nothing architectures with SAP IQ MultiplexerShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication using RAFTSAP/Sybase Replication Serveryes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyes inforelationships in graphsyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infowith snapshot isolationACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnoyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardUsers, roles and permissionsfine grained access rights according to SQL-standardBased on Windows Authentication
More information provided by the system vendor
EXASOLMemgraphSAP IQ infoformer name: Sybase IQVelocityDBXTDB infoformerly named Crux
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
EXASOLMemgraphSAP IQ infoformer name: Sybase IQVelocityDBXTDB infoformerly named Crux
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