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DBMS > OpenTSDB vs. SQL.JS vs. Tkrzw vs. Yaacomo

System Properties Comparison OpenTSDB vs. SQL.JS vs. Tkrzw vs. Yaacomo

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Editorial information provided by DB-Engines
NameOpenTSDB  Xexclude from comparisonSQL.JS  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparisonYaacomo  Xexclude from comparison
Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionScalable Time Series DBMS based on HBasePort of SQLite to JavaScriptA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto CabinetOpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelTime Series DBMSRelational DBMSKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Score0.63
Rank#241  Overall
#112  Relational DBMS
Score0.07
Rank#372  Overall
#57  Key-value stores
Websiteopentsdb.netsql.js.orgdbmx.net/­tkrzwyaacomo.com
Technical documentationopentsdb.net/­docs/­build/­html/­index.htmlsql.js.org/­documentation/­index.html
Developercurrently maintained by Yahoo and other contributorsAlon Zakai infoenhancements implemented by othersMikio HirabayashiQ2WEB GmbH
Initial release2011201220202009
Current release0.9.3, August 2020
License infoCommercial or Open SourceOpen Source infoLGPLOpen SourceOpen Source infoApache Version 2.0commercial
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 languageJavaJavaScriptC++
Server operating systemsLinux
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
macOS
Android
Linux
Windows
Data schemeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or datenumeric data for metrics, strings for tagsyesnoyes
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 indexesnoyes
SQL infoSupport of SQLnoyes infoSQL-92 is not fully supportednoyes
APIs and other access methodsHTTP API
Telnet API
JavaScript APIJDBC
ODBC
Supported programming languagesErlang
Go
Java
Python
R
Ruby
JavaScriptC++
Java
Python
Ruby
Server-side scripts infoStored proceduresnonono
Triggersnononoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on HBasenonenonehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBasenonenoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBasenoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesno infoexcept by serializing a db to a fileyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes infousing specific database classesyes
User concepts infoAccess controlnononofine grained access rights according to SQL-standard

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More resources
OpenTSDBSQL.JSTkrzw infoSuccessor of Tokyo Cabinet and Kyoto CabinetYaacomo
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