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DBMS > HarperDB vs. KairosDB vs. MySQL vs. SAP HANA vs. TDengine

System Properties Comparison HarperDB vs. KairosDB vs. MySQL vs. SAP HANA vs. TDengine

Editorial information provided by DB-Engines
NameHarperDB  Xexclude from comparisonKairosDB  Xexclude from comparisonMySQL  Xexclude from comparisonSAP HANA  Xexclude from comparisonTDengine  Xexclude from comparison
DescriptionUltra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.Distributed Time Series DBMS based on Cassandra or H2Widely used open source RDBMSIn-memory, column based data store. Available as appliance or cloud serviceTime Series DBMS and big data platform
Primary database modelDocument storeTime Series DBMSRelational DBMS infoKey/Value like access via memcached APIRelational DBMSTime Series DBMS
Secondary database modelsDocument store
Spatial DBMS
Document store
Graph DBMS infowith SAP Hana, Enterprise Edition
Spatial DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.55
Rank#248  Overall
#38  Document stores
Score0.62
Rank#239  Overall
#20  Time Series DBMS
Score1083.74
Rank#2  Overall
#2  Relational DBMS
Score44.69
Rank#22  Overall
#16  Relational DBMS
Score2.60
Rank#107  Overall
#8  Time Series DBMS
Websitewww.harperdb.iogithub.com/­kairosdb/­kairosdbwww.mysql.comwww.sap.com/­products/­hana.htmlgithub.com/­taosdata/­TDengine
tdengine.com
Technical documentationdocs.harperdb.io/­docskairosdb.github.iodev.mysql.com/­dochelp.sap.com/­hanadocs.tdengine.com
DeveloperHarperDBOracle infosince 2010, originally MySQL AB, then SunSAPTDEngine, previously Taos Data
Initial release20172013199520102019
Current release3.1, August 20211.2.2, November 20188.4.0, April 20242.0 SPS07 (AprilĀ 4, 2023), April 20233.0, August 2022
License infoCommercial or Open Sourcecommercial infofree community edition availableOpen Source infoApache 2.0Open Source infoGPL version 2. Commercial licenses with extended functionallity are availablecommercialOpen Source infoAGPL V3, also commercial editions available
Cloud-based only infoOnly available as a cloud servicenononono infoalso available as a cloud based serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Aiven for MySQL: Fully managed MySQL, deployable in the cloud of your choice, with seamless integrations and lightning-fast setup.
Implementation languageNode.jsJavaC and C++C
Server operating systemsLinux
OS X
Linux
OS X
Windows
FreeBSD
Linux
OS X
Solaris
Windows
Appliance or cloud-serviceLinux
Windows
Data schemedynamic schemaschema-freeyesyesyes
Typing infopredefined data types such as float or dateyes infoJSON data typesyesyesyesyes
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.nonoyesnono
Secondary indexesyesnoyesyesno
SQL infoSupport of SQLSQL-like data manipulation statementsnoyes infowith proprietary extensionsyesStandard SQL with extensions for time-series applications
APIs and other access methodsJDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
Graphite protocol
HTTP REST
Telnet API
ADO.NET
JDBC
ODBC
Proprietary native API
JDBC
ODBC
JDBC
RESTful HTTP API
Supported programming languages.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
Java
JavaScript infoNode.js
PHP
Python
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Rust
Server-side scripts infoStored proceduresCustom Functions infosince release 3.1noyes infoproprietary syntaxSQLScript, Rno
Triggersnonoyesyesyes, via alarm monitoring
Partitioning methods infoMethods for storing different data on different nodesA table resides as a whole on one (or more) nodes in a clusterSharding infobased on Cassandrahorizontal partitioning, sharding with MySQL Cluster or MySQL FabricyesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infothe nodes on which a table resides can be definedselectable replication factor infobased on CassandraMulti-source replication
Source-replica replication
yesyes
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 integritynonoyes infonot for MyISAM storage engineyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of specific operationsnoACID infonot for MyISAM storage engineACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes infotable locks or row locks depending on storage engineyesyes
Durability infoSupport for making data persistentyes, using LMDByesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesyes
User concepts infoAccess controlAccess rights for users and rolessimple password-based access controlUsers with fine-grained authorization concept infono user groups or rolesyesyes
More information provided by the system vendor
HarperDBKairosDBMySQLSAP HANATDengine
Specific characteristicsTDengineā„¢ is a next generation data historian purpose-built for Industry 4.0 and...
» more
Competitive advantagesHigh Performance at any Scale: TDengine is purpose-built for handling massive industrial...
» more
Typical application scenariosTDengine is designed for Industrial IoT scenarios, including: Manufacturing Connected...
» more
Market metricsTDengine has garnered over 22,500 stars on GitHub and is used in over 50 countries...
» more
Licensing and pricing modelsTDengine OSS is an open source, cloud native time series database. It includes built-in...
» more
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