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DBMS > Hypertable vs. LokiJS vs. SQream DB

System Properties Comparison Hypertable vs. LokiJS vs. SQream DB

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Editorial information provided by DB-Engines
NameHypertable  Xexclude from comparisonLokiJS  Xexclude from comparisonSQream DB  Xexclude from comparison
Hypertable has stopped its further development with March 2016 and is removed from the DB-Engines ranking.
DescriptionAn open source BigTable implementation based on distributed file systems such as HadoopIn-memory JavaScript DBMSa GPU-based, columnar RDBMS for big data analytics workloads
Primary database modelWide column storeDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.43
Rank#264  Overall
#42  Document stores
Score0.70
Rank#227  Overall
#104  Relational DBMS
Websitegithub.com/­techfort/­LokiJSsqream.com
Technical documentationtechfort.github.io/­LokiJSdocs.sqream.com
DeveloperHypertable Inc.SQream Technologies
Initial release200920142017
Current release0.9.8.11, March 20162022.1.6, December 2022
License infoCommercial or Open SourceOpen Source infoGNU version 3. Commercial license availableOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaScriptC++, CUDA, Haskell, Java, Scala
Server operating systemsLinux
OS X
Windows infoan inofficial Windows port is available
server-less, requires a JavaScript environment (browser, Node.js)Linux
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenonoyes, ANSI Standard SQL Types
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
Secondary indexesrestricted infoonly exact value or prefix value scansyes infovia viewsno
SQL infoSupport of SQLnonoyes
APIs and other access methodsC++ API
Thrift
JavaScript API.Net
JDBC
ODBC
Supported programming languagesC++
Java
Perl
PHP
Python
Ruby
JavaScriptC++
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnoView functions in JavaScriptuser defined functions in Python
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesShardingnonehorizontal and vertical partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor on file system levelnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlnono

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More resources
HypertableLokiJSSQream DB
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