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DBMS > Ingres vs. KairosDB vs. openGemini

System Properties Comparison Ingres vs. KairosDB vs. openGemini

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Editorial information provided by DB-Engines
NameIngres  Xexclude from comparisonKairosDB  Xexclude from comparisonopenGemini  Xexclude from comparison
DescriptionWell established RDBMSDistributed Time Series DBMS based on Cassandra or H2An open source distributed Time Series DBMS with high concurrency, high performance, and high scalability
Primary database modelRelational DBMSTime Series DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.80
Rank#82  Overall
#44  Relational DBMS
Score0.67
Rank#233  Overall
#20  Time Series DBMS
Score0.09
Rank#361  Overall
#37  Time Series DBMS
Websitewww.actian.com/­databases/­ingresgithub.com/­kairosdb/­kairosdbwww.opengemini.org
github.com/­openGemini
Technical documentationdocs.actian.com/­ingreskairosdb.github.iodocs.opengemini.org/­guide
DeveloperActian CorporationHuawei and openGemini community
Initial release1974 infooriginally developed at University Berkely in early 1970s20132022
Current release11.2, May 20221.2.2, November 20181.1, July 2023
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJavaGo
Server operating systemsAIX
HP Open VMS
HP-UX
Linux
Solaris
Windows
Linux
OS X
Windows
Linux
Windows
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesInteger, Float, Boolean, String
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.no infobut tools for importing/exporting data from/to XML-files availablenono
Secondary indexesyesnoyes
SQL infoSupport of SQLyesnoSQL-like query language
APIs and other access methods.NET Client API
JDBC
ODBC
proprietary protocol (OpenAPI)
Graphite protocol
HTTP REST
Telnet API
HTTP REST
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresyesnono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning infoIngres Star to access multiple databases simultaneouslySharding infobased on CassandraSharding
Replication methods infoMethods for redundantly storing data on multiple nodesIngres Replicatorselectable replication factor infobased on Cassandrayes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnono
Concurrency infoSupport for concurrent manipulation of datayes infoMVCCyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardsimple password-based access controlAdministrators and common users accounts

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More resources
IngresKairosDBopenGemini
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