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DBMS > dBASE vs. Kdb vs. OpenQM vs. SQL.JS

System Properties Comparison dBASE vs. Kdb vs. OpenQM vs. SQL.JS

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Editorial information provided by DB-Engines
NamedBASE  Xexclude from comparisonKdb  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptiondBase was one of the first databases with a development environment on PC's. Its latest version dBase V is still sold as dBase classic, which needs a DOS Emulation. The up-to-date product is dBase plus.High performance Time Series DBMSQpenQM is a high-performance, self-tuning, multi-value DBMSPort of SQLite to JavaScript
Primary database modelRelational DBMSTime Series DBMS
Vector DBMS
Multivalue DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score9.70
Rank#44  Overall
#28  Relational DBMS
Score7.71
Rank#49  Overall
#2  Time Series DBMS
#1  Vector DBMS
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score0.63
Rank#241  Overall
#112  Relational DBMS
Websitewww.dbase.comkx.comwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmsql.js.org
Technical documentationwww.dbase.com/­support/­knowledgebasecode.kx.comsql.js.org/­documentation/­index.html
DeveloperAsthon TateKx Systems, a division of First Derivatives plcRocket Software, originally Martin PhillipsAlon Zakai infoenhancements implemented by others
Initial release19792000 infokdb was released 2000, kdb+ in 200319932012
Current releasedBASE 2019, 20193.6, May 20183.4-12
License infoCommercial or Open Sourcecommercialcommercial infofree 32-bit versionOpen Source infoGPLv2, extended commercial license availableOpen Source
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 languageqJavaScript
Server operating systemsDOS infodBase Classic
Windows infodBase Pro
Linux
OS X
Solaris
Windows
AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesyesyes infowith some exceptionsyes
Typing infopredefined data types such as float or dateyesyesyes
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.yesyesno
Secondary indexesyesyes infotable attribute 'grouped'yes
SQL infoSupport of SQLnoSQL-like query language (q)noyes infoSQL-92 is not fully supported
APIs and other access methodsnone infoThe IDE can access other DBMS or ODBC-sources.HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
JavaScript API
Supported programming languagesdBase proprietary IDEC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
Basic
C
Java
Objective C
PHP
Python
JavaScript
Server-side scripts infoStored proceduresno infoThe IDE can access stored procedures in other database systems.user defined functionsyesno
Triggersnoyes infowith viewsyesno
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioningyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replicationyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infosimilar paradigm used for internal processingnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integrityyesyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infonot for dBase internal data, but IDE does support transactions when accessing external DBMSnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlAccess rights for users and rolesrights management via user accountsAccess rights can be defined down to the item levelno
More information provided by the system vendor
dBASEKdbOpenQM infoalso called QMSQL.JS
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...
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Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
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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...
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Licensing and pricing modelsupon request
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More resources
dBASEKdbOpenQM infoalso called QMSQL.JS
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