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DBMS > AlaSQL vs. H2 vs. Kdb vs. Rockset vs. TerminusDB

System Properties Comparison AlaSQL vs. H2 vs. Kdb vs. Rockset vs. TerminusDB

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonH2  Xexclude from comparisonKdb  Xexclude from comparisonRockset  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionJavaScript DBMS libraryFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.High performance Time Series DBMSA scalable, reliable search and analytics service in the cloud, built on RocksDBScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelDocument store
Relational DBMS
Relational DBMSTime Series DBMS
Vector DBMS
Document storeGraph DBMS
Secondary database modelsSpatial DBMSRelational DBMSRelational DBMS
Search engine
Document store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.46
Rank#260  Overall
#40  Document stores
#121  Relational DBMS
Score8.13
Rank#49  Overall
#31  Relational DBMS
Score7.55
Rank#53  Overall
#3  Time Series DBMS
#1  Vector DBMS
Score0.79
Rank#211  Overall
#35  Document stores
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websitealasql.orgwww.h2database.comkx.comrockset.comterminusdb.com
Technical documentationgithub.com/­AlaSQL/­alasqlwww.h2database.com/­html/­main.htmlcode.kx.comdocs.rockset.comterminusdb.github.io/­terminusdb/­#
DeveloperAndrey Gershun & Mathias R. WulffThomas MuellerKx Systems, a division of First Derivatives plcRocksetDataChemist Ltd.
Initial release201420052000 infokdb was released 2000, kdb+ in 200320192018
Current release2.2.220, July 20233.6, May 201811.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infodual-licence (Mozilla public license, Eclipse public license)commercial infofree 32-bit versioncommercialOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenononoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJavaqC++Prolog, Rust
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)All OS with a Java VMLinux
OS X
Solaris
Windows
hostedLinux
Data schemeschema-freeyesyesschema-freeyes
Typing infopredefined data types such as float or datenoyesyesdynamic typingyes
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.nonoyesno infoingestion from XML files supportedno
Secondary indexesnoyesyes infotable attribute 'grouped'all fields are automatically indexed
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.yesSQL-like query language (q)Read-only SQL queries, including JOINsSQL-like query language (WOQL)
APIs and other access methodsJavaScript APIJDBC
ODBC
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
HTTP RESTOWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesJavaScriptJavaC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Go
Java
JavaScript (Node.js)
Python
JavaScript
Python
Server-side scripts infoStored proceduresnoJava Stored Procedures and User-Defined Functionsuser defined functionsnoyes
Triggersyesyesyes infowith viewsnoyes
Partitioning methods infoMethods for storing different data on different nodesnonenonehorizontal partitioningAutomatic shardingGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneWith clustering: 2 database servers on different computers operate on identical copies of a databaseSource-replica replicationyesJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infosimilar paradigm used for internal processingnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesyesyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDnonoACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardrights management via user accountsAccess rights for users and organizations can be defined via Rockset consoleRole-based access control
More information provided by the system vendor
AlaSQLH2KdbRocksetTerminusDB infoformer name was DataChemist
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

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AlaSQLH2KdbRocksetTerminusDB infoformer name was DataChemist
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