DB-EngineseXtremeDB: Active Replication Fabric for Reliable IoT Database ManagementEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Kdb+ vs. LevelDB vs. Sequoiadb vs. TerarkDB

System Properties Comparison Kdb+ vs. LevelDB vs. Sequoiadb vs. TerarkDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameKdb+  Xexclude from comparisonLevelDB  Xexclude from comparisonSequoiadb  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionHigh performance Time Series DBMSEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesNewSQL database with distributed OLTP and SQLA key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database modelTime Series DBMSKey-value storeDocument store
Relational DBMS
Key-value store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.43
Rank#51  Overall
#2  Time Series DBMS
Score3.38
Rank#91  Overall
#18  Key-value stores
Score0.35
Rank#252  Overall
#34  Document stores
#115  Relational DBMS
Score0.09
Rank#310  Overall
#53  Key-value stores
Websitekx.comgithub.com/­google/­leveldbwww.sequoiadb.comgithub.com/­Terark/­terarkdb
Technical documentationcode.kx.comgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mdwww.sequoiadb.com/­en/­index.php?m=Files&a=indexgithub.com/­Terark/­terarkdb/­wiki
DeveloperKx Systems, a division of First Derivatives plcGoogleSequoiadb Ltd.Terark
Initial release2000 infokdb was released 2000, kdb+ in 2003201120132016
Current release3.6, May 20181.22, May 2019
License infoCommercial or Open Sourcecommercial infofree 32-bit versionOpen Source infoBSDOpen Source infoServer: AGPL; Client: Apache V2commercial inforestricted open source version available
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 languageqC++C++C++
Server operating systemsLinux
OS X
Solaris
Windows
Illumos
Linux
OS X
Windows
Linux
Data schemeyesschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnoyes infooid, date, timestamp, binary, regexno
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.yesnonono
Secondary indexesyes infotable attribute 'grouped'noyesno
SQL infoSupport of SQLSQL-like query language (q)noSQL-like query languageno
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
proprietary protocol using JSONC++ API
Java API
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
.Net
C++
Java
PHP
Python
C++
Java
Server-side scripts infoStored proceduresuser defined functionsnoJavaScriptno
Triggersyes infowith viewsnonono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationnoneSource-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoDocument is locked during a transactionno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlrights management via user accountsnosimple password-based access controlno
More information provided by the system vendor
Kdb+LevelDBSequoiadbTerarkDB
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
» more
Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
» more
Key customersGoldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
» more
Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
» more
Licensing and pricing modelsupon request
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Kdb+LevelDBSequoiadbTerarkDB
DB-Engines blog posts

Time Series DBMS are the database category with the fastest increase in popularity
4 July 2016, Matthias Gelbmann

show all

Recent citations in the news

The coding language that will get you the best jobs in banking
22 September 2020, eFinancialCareers

MRP Prelytix Named "Best Overall Account-Based Marketing Solution" For Second Consecutive Year
23 September 2020, Odessa American

DASA to host innovation investment networking forum
27 August 2020, GOV.UK

The Era Of Big Memory Is Upon Us
23 September 2020, The Next Platform

Neueda recruit industry kdb+ expert to lead new division
30 June 2020, News Anyway

provided by Google News

Malicious npm package caught trying to steal sensitive Discord and browser files
28 August 2020, ZDNet

Inside the “fallguys” malware that steals your browsing data and gaming IMs; Continued attack on open source software
2 September 2020, Security Boulevard

Neo SPCC releases latest Neo3 benchmark results, exceeding 10K TPS with single Go node
18 September 2020, NEO News Today

COZ initializes Python development on Neo3 with reimagined SDK and compiler
27 August 2020, NEO News Today

Interview with RavenDB Founder Oren Eini
31 August 2020, InfoQ.com

provided by Google News

SequoiaDB 3.0 Released, New-Generation Multi-Model NewSQL Database
25 June 2018, PR Newswire

New Fund, New IPOs: The Era Of Successful China VC Investing Hasn't Ended Here
14 May 2020, Forbes

Top 25 IoT Startups To Watch In 2019
3 February 2019, Forbes

Cloud Native Computing Foundation Surpasses 375 Members
12 March 2019, PRNewswire

Spark in Action Book Review & Interview
18 March 2016, InfoQ.com

provided by Google News

A Chinese company is making the cloud 200x faster
3 July 2017, TechNode

Terark, A Chinese Startup, May Have Just Revolutionized How Data Is Stored, Accessed & Analyzed
26 June 2017, Indiatimes.com

provided by Google News

Job opportunities

Dispatch Representative
Altice, Hauppauge, NY

Junior Quantitative Trader
Geneva Trading, Chicago, IL

Associate, Quantitative Research
Morgan Stanley, New York, NY

Algorithmic Trading Data Analyst/Engineer
Quantitative Brokers, New York, NY

AlphaWise Equity Research Sector Quant / Strat
Morgan Stanley, New York, NY

Software Engineer
DataDog, Denver, CO

Incubation Leader for Big Data Infrastructure Palo Alto, CA
VMware, Palo Alto, CA

Senior or Lead DevOps Engineer, GovCloud
Salesforce, Herndon, VA

Systems Reliability Engineer
Cloudflare, Austin, TX

jobs by Indeed




Share this page

Featured Products

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Vertica logo

The fastest unified analytical warehouse at extreme scale with in-database Machine Learning. Try Vertica for free with no time limit.

Datastax Astra logo

Cassandra made easy in the cloud. Build cloud-native applications faster with CQL, REST and GraphQL APIs.
Try for Free.

Present your product here