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DBMS > KairosDB vs. OpenEdge vs. Percona Server for MySQL vs. VelocityDB

System Properties Comparison KairosDB vs. OpenEdge vs. Percona Server for MySQL vs. VelocityDB

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonOpenEdge  Xexclude from comparisonPercona Server for MySQL  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionDistributed Time Series DBMS based on Cassandra or H2Application development environment with integrated database management systemEnhanced drop-in replacement for MySQL based on XtraDB or TokuDB storage engines with improved performance and additional diagnostic and management features.A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSRelational DBMSRelational DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.62
Rank#239  Overall
#20  Time Series DBMS
Score3.51
Rank#86  Overall
#46  Relational DBMS
Score2.03
Rank#122  Overall
#57  Relational DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitegithub.com/­kairosdb/­kairosdbwww.progress.com/­openedgewww.percona.com/­software/­mysql-database/­percona-servervelocitydb.com
Technical documentationkairosdb.github.iodocumentation.progress.com/­output/­ua/­OpenEdge_latestwww.percona.com/­downloads/­Percona-Server-LATESTvelocitydb.com/­UserGuide
DeveloperProgress Software CorporationPerconaVelocityDB Inc
Initial release2013198420082011
Current release1.2.2, November 2018OpenEdge 12.2, March 20208.0.36-28, 20247.x
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialOpen Source infoGPL version 2commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC and C++C#
Server operating systemsLinux
OS X
Windows
AIX
HP-UX
Linux
Solaris
Windows
LinuxAny that supports .NET
Data schemeschema-freeyesyesyes
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.noyesyesno
Secondary indexesnoyesyesyes
SQL infoSupport of SQLnoyes infoclose to SQL 92yesno
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
JDBC
ODBC
ADO.NET
JDBC
ODBC
.Net
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
Progress proprietary ABL (Advanced Business Language)Ada
C
C#
C++
D
Eiffel
Erlang
Haskell
Java
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
.Net
Server-side scripts infoStored proceduresnoyesyesno
TriggersnoyesyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on Cassandrahorizontal partitioning infosince Version 11.4Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraSource-replica replicationMulti-source replication
Source-replica replication
XtraDB Cluster
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 integritynoyesyesno
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 controlsimple password-based access controlUsers and groupsUsers with fine-grained authorization concept infono user groups or rolesBased on Windows Authentication

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More resources
KairosDBOpenEdgePercona Server for MySQLVelocityDB
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