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DBMS > Blueflood vs. MaxDB vs. VelocityDB vs. Yaacomo

System Properties Comparison Blueflood vs. MaxDB vs. VelocityDB vs. Yaacomo

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Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonVelocityDB  Xexclude from comparisonYaacomo  Xexclude from comparison
Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionScalable TimeSeries DBMS based on CassandraA robust and reliable RDBMS optimized to run all major SAP solutionsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)OpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelTime Series DBMSRelational DBMSGraph DBMS
Object oriented DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#346  Overall
#33  Time Series DBMS
Score2.26
Rank#114  Overall
#55  Relational DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websiteblueflood.iomaxdb.sap.comvelocitydb.comyaacomo.com
Technical documentationgithub.com/­rax-maas/­blueflood/­wikimaxdb.sap.com/­documentationvelocitydb.com/­UserGuide
DeveloperRackspaceSAP, acquired from Software AG (Adabas-D) in 1997VelocityDB IncQ2WEB GmbH
Initial release2013198420112009
Current release7.9.10.12, February 20247.x
License infoCommercial or Open SourceOpen Source infoApache 2.0commercial infoLimited community edition freecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++C#
Server operating systemsLinux
OS X
AIX
HP-UX
Linux
Solaris
Windows
Any that supports .NETAndroid
Linux
Windows
Data schemepredefined schemeyesyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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 indexesnoyesyesyes
SQL infoSupport of SQLnoyesnoyes
APIs and other access methodsHTTP RESTADO.NET
JDBC
ODBC
WebDAV
.NetJDBC
ODBC
Supported programming languages.Net
C#
Java
Perl
PHP
Python
.Net
Server-side scripts infoStored proceduresnoyesno
TriggersnoyesCallbacks are triggered when data changesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraSource-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardBased on Windows Authenticationfine grained access rights according to SQL-standard

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More resources
BluefloodMaxDB infoformerly named Adabas-DVelocityDBYaacomo
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