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DBMS > Hypertable vs. NSDb vs. Riak KV vs. SQL.JS vs. YDB

System Properties Comparison Hypertable vs. NSDb vs. Riak KV vs. SQL.JS vs. YDB

Editorial information provided by DB-Engines
NameHypertable  Xexclude from comparisonNSDb  Xexclude from comparisonRiak KV  Xexclude from comparisonSQL.JS  Xexclude from comparisonYDB  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 HadoopScalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesDistributed, fault tolerant key-value storePort of SQLite to JavaScriptA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelWide column storeTime Series DBMSKey-value store infowith links between data sets and object tags for the creation of secondary indexesRelational DBMSDocument store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.08
Rank#369  Overall
#40  Time Series DBMS
Score4.01
Rank#79  Overall
#9  Key-value stores
Score0.63
Rank#241  Overall
#112  Relational DBMS
Score0.33
Rank#287  Overall
#43  Document stores
#132  Relational DBMS
Websitensdb.iosql.js.orggithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationnsdb.io/­Architecturewww.tiot.jp/­riak-docs/­riak/­kv/­latestsql.js.org/­documentation/­index.htmlydb.tech/­en/­docs
DeveloperHypertable Inc.OpenSource, formerly Basho TechnologiesAlon Zakai infoenhancements implemented by othersYandex
Initial release20092017200920122019
Current release0.9.8.11, March 20163.2.0, December 2022
License infoCommercial or Open SourceOpen Source infoGNU version 3. Commercial license availableOpen Source infoApache Version 2.0Open Source infoApache version 2, commercial enterprise editionOpen SourceOpen Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++Java, ScalaErlangJavaScript
Server operating systemsLinux
OS X
Windows infoan inofficial Windows port is available
Linux
macOS
Linux
OS X
server-less, requires a JavaScript environment (browser, Node.js)Linux
Data schemeschema-freeschema-freeyesFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or datenoyes: int, bigint, decimal, stringnoyesyes
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 indexesrestricted infoonly exact value or prefix value scansall fields are automatically indexedrestrictedyes
SQL infoSupport of SQLnoSQL-like query languagenoyes infoSQL-92 is not fully supportedSQL-like query language (YQL)
APIs and other access methodsC++ API
Thrift
gRPC
HTTP REST
WebSocket
HTTP API
Native Erlang Interface
JavaScript APIRESTful HTTP API (DynamoDB compatible)
Supported programming languagesC++
Java
Perl
PHP
Python
Ruby
Java
Scala
C infounofficial client library
C#
C++ infounofficial client library
Clojure infounofficial client library
Dart infounofficial client library
Erlang
Go infounofficial client library
Groovy infounofficial client library
Haskell infounofficial client library
Java
JavaScript infounofficial client library
Lisp infounofficial client library
Perl infounofficial client library
PHP
Python
Ruby
Scala infounofficial client library
Smalltalk infounofficial client library
JavaScriptGo
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresnonoErlangnono
Triggersnoyes infopre-commit hooks and post-commit hooksno
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding infono "single point of failure"noneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor on file system levelselectable replication factornoneActive-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyEventual ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynonono infolinks between data sets can be storedyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanononoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesUsing Apache Luceneyesno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlnoyes, using Riak SecuritynoAccess rights defined for Yandex Cloud users

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More resources
HypertableNSDbRiak KVSQL.JSYDB
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