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DBMS > InterSystems Caché vs. OpenQM vs. Realm vs. SurrealDB vs. VoltDB

System Properties Comparison InterSystems Caché vs. OpenQM vs. Realm vs. SurrealDB vs. VoltDB

Editorial information provided by DB-Engines
NameInterSystems Caché  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonRealm  Xexclude from comparisonSurrealDB  Xexclude from comparisonVoltDB  Xexclude from comparison
Caché is a deprecated database engine which is substituted with InterSystems IRIS. It therefore is removed from the DB-Engines Ranking.
DescriptionA multi-model DBMS and application serverQpenQM is a high-performance, self-tuning, multi-value DBMSA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataA fully ACID transactional, developer-friendly, multi-model 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 modelKey-value store
Object oriented DBMS
Relational DBMS
Multivalue DBMSDocument storeDocument store
Graph DBMS
Relational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score7.41
Rank#52  Overall
#8  Document stores
Score1.02
Rank#190  Overall
#33  Document stores
#18  Graph DBMS
Score1.47
Rank#157  Overall
#73  Relational DBMS
Websitewww.intersystems.com/­products/­cachewww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmrealm.iosurrealdb.comwww.voltdb.com
Technical documentationdocs.intersystems.comrealm.io/­docssurrealdb.com/­docsdocs.voltdb.com
DeveloperInterSystemsRocket Software, originally Martin PhillipsRealm, acquired by MongoDB in May 2019SurrealDB LtdVoltDB Inc.
Initial release19971993201420222010
Current release2018.1.4, May 20203.4-12v1.5.0, May 202411.3, April 2022
License infoCommercial or Open SourcecommercialOpen Source infoGPLv2, extended commercial license availableOpen SourceOpen SourceOpen 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 languageRustJava, C++
Server operating systemsAIX
HP Open VMS
HP-UX
Linux
OS X
Solaris
Windows
AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Android
Backend: server-less
iOS
Windows
Linux
macOS
Windows
Linux
OS X infofor development
Data schemedepending on used data modelyes infowith some exceptionsyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesyes
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 indexesyesyesyesyes
SQL infoSupport of SQLyesnonoSQL-like query languageyes infoonly a subset of SQL 99
APIs and other access methods.NET Client API
JDBC
ODBC
RESTful HTTP API
GraphQL
RESTful HTTP API
WebSocket
Java API
JDBC
RESTful HTTP/JSON API
Supported programming languagesC#
C++
Java
.Net
Basic
C
Java
Objective C
PHP
Python
.Net
Java infowith Android only
Objective-C
React Native
Swift
Deno
Go
JavaScript (Node.js)
Rust
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresyesyesno inforuns within the applications so server-side scripts are unnecessaryJava
Triggersyesyesyes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodesnoneyesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyesnoneMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDACIDACID 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 persistentyesyesyesyesyes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoIn-Memory realm
User concepts infoAccess controlAccess rights for users, groups and rolesAccess rights can be defined down to the item levelyesyes, based on authentication and database rulesUsers and roles with access to stored procedures

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More resources
InterSystems CachéOpenQM infoalso called QMRealmSurrealDBVoltDB
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