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DBMS > H2 vs. KairosDB vs. OpenEdge vs. Yaacomo

System Properties Comparison H2 vs. KairosDB vs. OpenEdge vs. Yaacomo

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Editorial information provided by DB-Engines
NameH2  Xexclude from comparisonKairosDB  Xexclude from comparisonOpenEdge  Xexclude from comparisonYaacomo  Xexclude from comparison
Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.Distributed Time Series DBMS based on Cassandra or H2Application development environment with integrated database management systemOpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelRelational DBMSTime Series DBMSRelational DBMSRelational DBMS
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score8.13
Rank#49  Overall
#31  Relational DBMS
Score0.62
Rank#239  Overall
#20  Time Series DBMS
Score3.51
Rank#86  Overall
#46  Relational DBMS
Websitewww.h2database.comgithub.com/­kairosdb/­kairosdbwww.progress.com/­openedgeyaacomo.com
Technical documentationwww.h2database.com/­html/­main.htmlkairosdb.github.iodocumentation.progress.com/­output/­ua/­OpenEdge_latest
DeveloperThomas MuellerProgress Software CorporationQ2WEB GmbH
Initial release2005201319842009
Current release2.2.220, July 20231.2.2, November 2018OpenEdge 12.2, March 2020
License infoCommercial or Open SourceOpen Source infodual-licence (Mozilla public license, Eclipse public license)Open Source infoApache 2.0commercialcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJava
Server operating systemsAll OS with a Java VMLinux
OS X
Windows
AIX
HP-UX
Linux
Solaris
Windows
Android
Linux
Windows
Data schemeyesschema-freeyesyes
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.nonoyesno
Secondary indexesyesnoyesyes
SQL infoSupport of SQLyesnoyes infoclose to SQL 92yes
APIs and other access methodsJDBC
ODBC
Graphite protocol
HTTP REST
Telnet API
JDBC
ODBC
JDBC
ODBC
Supported programming languagesJavaJava
JavaScript infoNode.js
PHP
Python
Progress proprietary ABL (Advanced Business Language)
Server-side scripts infoStored proceduresJava Stored Procedures and User-Defined Functionsnoyes
Triggersyesnoyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on Cassandrahorizontal partitioning infosince Version 11.4horizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesWith clustering: 2 database servers on different computers operate on identical copies of a databaseselectable 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 systemImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyes
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.yesnonoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardsimple password-based access controlUsers and groupsfine grained access rights according to SQL-standard

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More resources
H2KairosDBOpenEdgeYaacomo
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