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DBMS > LeanXcale vs. OpenQM vs. Oracle Coherence vs. OushuDB

System Properties Comparison LeanXcale vs. OpenQM vs. Oracle Coherence vs. OushuDB

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Editorial information provided by DB-Engines
NameLeanXcale  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonOracle Coherence  Xexclude from comparisonOushuDB  Xexclude from comparison
DescriptionA highly scalable full ACID SQL database with fast NoSQL data ingestion and GIS capabilitiesQpenQM is a high-performance, self-tuning, multi-value DBMSOracles in-memory data grid solutionA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learning
Primary database modelKey-value store
Relational DBMS
Multivalue DBMSKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.29
Rank#291  Overall
#41  Key-value stores
#132  Relational DBMS
Score0.27
Rank#298  Overall
#10  Multivalue DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Score0.04
Rank#363  Overall
#154  Relational DBMS
Websitewww.leanxcale.comwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.oracle.com/­java/­coherencewww.oushu.com/­product/­oushuDB
Technical documentationdocs.oracle.com/­en/­middleware/­standalone/­coherencewww.oushu.com/­documentation
DeveloperLeanXcaleRocket Software, originally Martin PhillipsOracleOushu
Initial release201519932007
Current release3.4-1214.1, August 20234.0.1, August 2020
License infoCommercial or Open SourcecommercialOpen Source infoGPLv2, extended commercial license availablecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
All OS with a Java VMLinux
Data schemeyesyes infowith some exceptionsschema-freeyes
Typing infopredefined data types such as float or dateyesyes
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.yesno
Secondary indexesyesnoyes
SQL infoSupport of SQLyes infothrough Apache DerbynonoFull-featured ANSI SQL support
APIs and other access methodsJDBC
Kafka Connector
ODBC
proprietary key/value interface
Spark Connector
JCache
JPA
RESTful HTTP API
JDBC
ODBC
Supported programming languagesC
Java
Scala
.Net
Basic
C
Java
Objective C
PHP
Python
.Net
C++
Java
C
C++
Server-side scripts infoStored proceduresyesnoyes
Triggersyesyes infoLive Eventsyes
Partitioning methods infoMethods for storing different data on different nodesyesShardingyes
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoHadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infooptionallyyes
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 can be defined down to the item levelauthentification to access the cache via certificates or http basic authenticationKerberos, SSL and role based access

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More resources
LeanXcaleOpenQM infoalso called QMOracle CoherenceOushuDB
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