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DBMS > Dgraph vs. Firebolt vs. LevelDB vs. SAP IQ vs. VelocityDB

System Properties Comparison Dgraph vs. Firebolt vs. LevelDB vs. SAP IQ vs. VelocityDB

Editorial information provided by DB-Engines
NameDgraph  Xexclude from comparisonFirebolt  Xexclude from comparisonLevelDB  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionDistributed and scalable native Graph DBMSHighly scalable cloud data warehouse and analytics product infoForked from ClickhouseEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesColumnar RDBMS optimized for Big Data analyticsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelGraph DBMSRelational DBMSKey-value storeRelational DBMS infocolumn-orientedGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.45
Rank#156  Overall
#15  Graph DBMS
Score1.90
Rank#134  Overall
#62  Relational DBMS
Score2.35
Rank#111  Overall
#19  Key-value stores
Score2.75
Rank#104  Overall
#53  Relational DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitedgraph.iowww.firebolt.iogithub.com/­google/­leveldbwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlvelocitydb.com
Technical documentationdgraph.io/­docsdocs.firebolt.iogithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdhelp.sap.com/­docs/­SAP_IQvelocitydb.com/­UserGuide
DeveloperDgraph Labs, Inc.Firebolt Analytics Inc.GoogleSAP, formerly SybaseVelocityDB Inc
Initial release20162020201119942011
Current release1.23, February 202116.1 SPS04, April 20197.x
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialOpen Source infoBSDcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC++C#
Server operating systemsLinux
OS X
Windows
hostedIllumos
Linux
OS X
Windows
AIX
HP-UX
Linux
Solaris
Windows
Any that supports .NET
Data schemeschema-freeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesnoyesyes
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.nononono
Secondary indexesyesyesnoyesyes
SQL infoSupport of SQLnoyesnoyesno
APIs and other access methodsGraphQL query language
gRPC (using protocol buffers) API
HTTP API
.Net
ODBC
RESTful HTTP API
ADO.NET
JDBC
ODBC
RESTful HTTP API
.Net
Supported programming languagesC#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Go
JavaScript (Node.js)
Python
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
C
C#
C++
Java
Perl
PHP
Python
Ruby
.Net
Server-side scripts infoStored proceduresnononoyesno
TriggersnononoyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesyesnoneshared disk or shared nothing architectures with SAP IQ MultiplexerSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSynchronous replication via Raftdepending on storage layernoneSAP/Sybase Replication Server
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlno infoPlanned for future releasesnofine grained access rights according to SQL-standardBased on Windows Authentication

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More resources
DgraphFireboltLevelDBSAP IQ infoformer name: Sybase IQVelocityDB
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