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DBMS > AlaSQL vs. Quasardb vs. RRDtool vs. SiteWhere

System Properties Comparison AlaSQL vs. Quasardb vs. RRDtool vs. SiteWhere

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonQuasardb  Xexclude from comparisonRRDtool  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionJavaScript DBMS libraryDistributed, high-performance timeseries databaseIndustry standard data logging and graphing tool for time series data. RRD is an acronym for round-robin database. infoThe data is stored in a circular buffer, thus the system storage footprint remains constant over time.M2M integration platform for persisting/querying time series data
Primary database modelDocument store
Relational DBMS
Time Series DBMSTime Series DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score0.21
Rank#322  Overall
#29  Time Series DBMS
Score1.90
Rank#132  Overall
#11  Time Series DBMS
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Websitealasql.orgquasar.aioss.oetiker.ch/­rrdtoolgithub.com/­sitewhere/­sitewhere
Technical documentationgithub.com/­AlaSQL/­alasqldoc.quasar.ai/­masteross.oetiker.ch/­rrdtool/­docsitewhere1.sitewhere.io/­index.html
DeveloperAndrey Gershun & Mathias R. WulffquasardbTobias OetikerSiteWhere
Initial release2014200919992010
Current release3.14.1, January 20241.8.0, 2022
License infoCommercial or Open SourceOpen Source infoMIT-Licensecommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoGPL V2 and FLOSSOpen Source infoCommon Public Attribution License Version 1.0
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 languageJavaScriptC++C infoImplementations in Java (e.g. RRD4J) and C# availableJava
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)BSD
Linux
OS X
Windows
HP-UX
Linux
Linux
OS X
Windows
Data schemeschema-freeschema-freeyespredefined scheme
Typing infopredefined data types such as float or datenoyes infointeger and binaryNumeric data onlyyes
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.nonono infoExporting into and restoring from XML files possibleno
Secondary indexesnoyes infowith tagsnono
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL-like query languagenono
APIs and other access methodsJavaScript APIHTTP APIin-process shared library
Pipes
HTTP REST
Supported programming languagesJavaScript.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
C infowith librrd library
C# infowith a different implementation of RRDTool
Java infowith a different implementation of RRDTool
JavaScript (Node.js) infowith a different implementation of RRDTool
Lua
Perl
PHP infowith a wrapper library
Python
Ruby
Server-side scripts infoStored proceduresnonono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoconsistent hashingnoneSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replication with selectable replication factornoneselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnowith Hadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyes infoby using the rrdcached daemonyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes infoby using LevelDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoTransient modeyesno
User concepts infoAccess controlnoCryptographically strong user authentication and audit trailnoUsers with fine-grained authorization concept

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AlaSQLQuasardbRRDtoolSiteWhere
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