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DBMS > Blueflood vs. MaxDB vs. NCache vs. VelocityDB

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

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Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonNCache  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionScalable TimeSeries DBMS based on CassandraA robust and reliable RDBMS optimized to run all major SAP solutionsOpen-Source and Enterprise in-memory Key-Value StoreA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSRelational DBMSKey-value storeGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
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
Score0.96
Rank#195  Overall
#29  Key-value stores
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websiteblueflood.iomaxdb.sap.comwww.alachisoft.com/­ncachevelocitydb.com
Technical documentationgithub.com/­rax-maas/­blueflood/­wikimaxdb.sap.com/­documentationwww.alachisoft.com/­resources/­docsvelocitydb.com/­UserGuide
DeveloperRackspaceSAP, acquired from Software AG (Adabas-D) in 1997AlachisoftVelocityDB Inc
Initial release2013198420052011
Current release7.9.10.12, February 20245.3.3, April 20247.x
License infoCommercial or Open SourceOpen Source infoApache 2.0commercial infoLimited community edition freeOpen Source infoEnterprise Edition availablecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++C#, .NET, .NET Core, JavaC#
Server operating systemsLinux
OS X
AIX
HP-UX
Linux
Solaris
Windows
Linux
Windows
Any that supports .NET
Data schemepredefined schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyespartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryes
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 SQLnoyesSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.no
APIs and other access methodsHTTP RESTADO.NET
JDBC
ODBC
WebDAV
IDistributedCache
JCache
LINQ
Proprietary native API
.Net
Supported programming languages.Net
C#
Java
Perl
PHP
Python
.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
.Net
Server-side scripts infoStored proceduresnoyesno infosupport for stored procedures with SQL-Server CLRno
Triggersnoyesyes infoNotificationsCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneyesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraSource-replica replicationyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDoptimistic locking and pessimistic lockingACID
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-standardAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)Based on Windows Authentication
More information provided by the system vendor
BluefloodMaxDB infoformerly named Adabas-DNCacheVelocityDB
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more

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BluefloodMaxDB infoformerly named Adabas-DNCacheVelocityDB
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