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DBMS > Datomic vs. KairosDB vs. SQLite vs. Trafodion

System Properties Comparison Datomic vs. KairosDB vs. SQLite vs. Trafodion

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Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonKairosDB  Xexclude from comparisonSQLite  Xexclude from comparisonTrafodion  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityDistributed Time Series DBMS based on Cassandra or H2Widely used embeddable, in-process RDBMSTransactional SQL-on-Hadoop DBMS
Primary database modelRelational DBMSTime Series DBMSRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.55
Rank#144  Overall
#67  Relational DBMS
Score0.60
Rank#238  Overall
#20  Time Series DBMS
Score103.35
Rank#10  Overall
#7  Relational DBMS
Websitewww.datomic.comgithub.com/­kairosdb/­kairosdbwww.sqlite.orgtrafodion.apache.org
Technical documentationdocs.datomic.comkairosdb.github.iowww.sqlite.org/­docs.htmltrafodion.apache.org/­documentation.html
DeveloperCognitectDwayne Richard HippApache Software Foundation, originally developed by HP
Initial release2012201320002014
Current release1.0.7180, July 20241.2.2, November 20183.46.1  (13 August 2024), August 20242.3.0, February 2019
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen Source infoApache 2.0Open Source infoPublic DomainOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ClojureJavaCC++, Java
Server operating systemsAll OS with a Java VMLinux
OS X
Windows
server-lessLinux
Data schemeyesschema-freeyes infodynamic column typesyes
Typing infopredefined data types such as float or dateyesyesyes infonot rigid because of 'dynamic typing' concept.yes
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 indexesyesnoyesyes
SQL infoSupport of SQLnonoyes infoSQL-92 is not fully supportedyes
APIs and other access methodsRESTful HTTP APIGraphite protocol
HTTP REST
Telnet API
ADO.NET infoinofficial driver
JDBC infoinofficial driver
ODBC infoinofficial driver
ADO.NET
JDBC
ODBC
Supported programming languagesClojure
Java
Java
JavaScript infoNode.js
PHP
Python
Actionscript
Ada
Basic
C
C#
C++
D
Delphi
Forth
Fortran
Haskell
Java
JavaScript
Lisp
Lua
MatLab
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
R
Ruby
Scala
Scheme
Smalltalk
Tcl
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresyes infoTransaction FunctionsnonoJava Stored Procedures
TriggersBy using transaction functionsnoyesno
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersSharding infobased on CassandranoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersselectable replication factor infobased on Cassandranoneyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynonoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes infovia file-system locksyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes inforecommended only for testing and developmentnoyesno
User concepts infoAccess controlnosimple password-based access controlnofine grained access rights according to SQL-standard

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DatomicKairosDBSQLiteTrafodion
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