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

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

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonPrometheus  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionJavaScript DBMS libraryMultithreaded, transactional RDBMS written in Java infoalso known as HSQLDBQpenQM is a high-performance, self-tuning, multi-value DBMSOpen-source Time Series DBMS and monitoring systemDistributed 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 DBMSMultivalue DBMSTime Series DBMSRelational 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
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score7.69
Rank#50  Overall
#3  Time Series DBMS
Score1.47
Rank#157  Overall
#73  Relational DBMS
Websitealasql.orghsqldb.orgwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmprometheus.iowww.voltdb.com
Technical documentationgithub.com/­AlaSQL/­alasqlhsqldb.org/­web/­hsqlDocsFrame.htmlprometheus.io/­docsdocs.voltdb.com
DeveloperAndrey Gershun & Mathias R. WulffRocket Software, originally Martin PhillipsVoltDB Inc.
Initial release20142001199320152010
Current release2.7.2, June 20233.4-1211.3, April 2022
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infobased on BSD licenseOpen Source infoGPLv2, extended commercial license availableOpen Source infoApache 2.0Open 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 languageJavaScriptJavaGoJava, 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 modesAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Windows
Linux
OS X infofor development
Data schemeschema-freeyesyes infowith some exceptionsyesyes
Typing infopredefined data types such as float or datenoyesNumeric data onlyyes
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 infoImport of XML data possible
Secondary indexesnoyesyesnoyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.yesnonoyes infoonly a subset of SQL 99
APIs and other access methodsJavaScript APIHTTP API infoJDBC via HTTP
JDBC
ODBC
RESTful HTTP/JSON APIJava API
JDBC
RESTful HTTP/JSON API
Supported programming languagesJavaScriptAll languages supporting JDBC/ODBC
Java
.Net
Basic
C
Java
Objective C
PHP
Python
.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresnoJava, SQLyesnoJava
Triggersyesyesyesnono
Partitioning methods infoMethods for storing different data on different nodesnonenoneyesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneyesyes infoby FederationMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate Consistencynone
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-storageACIDACIDnoACID 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.yesyesno
User concepts infoAccess controlnofine grained access rights according to SQL-standardAccess rights can be defined down to the item levelnoUsers and roles with access to stored procedures

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More resources
AlaSQLHyperSQL infoalso known as HSQLDBOpenQM infoalso called QMPrometheusVoltDB
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