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DBMS > AlaSQL vs. HyperSQL vs. OpenMLDB vs. OpenQM vs. VoltDB

System Properties Comparison AlaSQL vs. HyperSQL vs. OpenMLDB vs. OpenQM vs. VoltDB

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  Xexclude from comparisonOpenMLDB  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionJavaScript DBMS libraryMultithreaded, transactional RDBMS written in Java infoalso known as HSQLDBAn open-source machine learning database that provides a feature platform for training and inferenceQpenQM is a high-performance, self-tuning, multi-value DBMSDistributed In-Memory NewSQL RDBMS infoUsed for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory
Primary database modelDocument store
Relational DBMS
Relational DBMSTime Series DBMSMultivalue DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score3.23
Rank#93  Overall
#48  Relational DBMS
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score1.47
Rank#157  Overall
#73  Relational DBMS
Websitealasql.orghsqldb.orgopenmldb.aiwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.voltdb.com
Technical documentationgithub.com/­AlaSQL/­alasqlhsqldb.org/­web/­hsqlDocsFrame.htmlopenmldb.ai/­docs/­zh/­maindocs.voltdb.com
DeveloperAndrey Gershun & Mathias R. Wulff4 Paradigm Inc.Rocket Software, originally Martin PhillipsVoltDB Inc.
Initial release20142001202019932010
Current release2.7.2, June 20232024-2 February 20243.4-1211.3, April 2022
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infobased on BSD licenseOpen SourceOpen Source infoGPLv2, extended commercial license availableOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJavaC++, Java, ScalaJava, C++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)All OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modesLinuxAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
OS X infofor development
Data schemeschema-freeyesFixed schemayes infowith some exceptionsyes
Typing infopredefined data types such as float or datenoyesyesyes
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.nononoyes
Secondary indexesnoyesyesyesyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.yesyesnoyes infoonly a subset of SQL 99
APIs and other access methodsJavaScript APIHTTP API infoJDBC via HTTP
JDBC
ODBC
JDBC
SQLAlchemy
Java API
JDBC
RESTful HTTP/JSON API
Supported programming languagesJavaScriptAll languages supporting JDBC/ODBC
Java
C++
Go
Java
Python
Scala
.Net
Basic
C
Java
Objective C
PHP
Python
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresnoJava, SQLnoyesJava
Triggersyesyesnoyesno
Partitioning methods infoMethods for storing different data on different nodesnonenonehorizontal partitioningyesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneSource-replica replicationyesMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesnonono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDnoACIDACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyesyes infoSnapshots and command logging
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-standardfine grained access rights according to SQL-standardAccess rights can be defined down to the item levelUsers and roles with access to stored procedures

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More resources
AlaSQLHyperSQL infoalso known as HSQLDBOpenMLDBOpenQM infoalso called QMVoltDB
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