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DBMS > IBM Db2 warehouse vs. Oracle Coherence vs. SpaceTime

System Properties Comparison IBM Db2 warehouse vs. Oracle Coherence vs. SpaceTime

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Editorial information provided by DB-Engines
NameIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonOracle Coherence  Xexclude from comparisonSpaceTime  Xexclude from comparison
DescriptionCloud-based data warehousing serviceOracles in-memory data grid solutionSpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database modelRelational DBMSKey-value storeSpatial DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.37
Rank#160  Overall
#74  Relational DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Websitewww.ibm.com/­products/­db2/­warehousewww.oracle.com/­java/­coherencewww.mireo.com/­spacetime
Technical documentationdocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperIBMOracleMireo
Initial release201420072020
Current release14.1, August 2023
License infoCommercial or Open Sourcecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++
Server operating systemshostedAll OS with a Java VMLinux
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyes
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.no infoImport/export of XML data possiblenono
Secondary indexesyesnono
SQL infoSupport of SQLyesnoA subset of ANSI SQL is implemented
APIs and other access methods.NET Client API
JDBC
ODBC
OLE DB
JCache
JPA
RESTful HTTP API
RESTful HTTP API
Supported programming languagesJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
.Net
C++
Java
C#
C++
Python
Server-side scripts infoStored proceduresPL/SQL, SQL PLnono
Triggersyesyes infoLive Eventsno
Partitioning methods infoMethods for storing different data on different nodesShardingShardingFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes, with selectable consistency levelReal-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDconfigurableno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardauthentification to access the cache via certificates or http basic authenticationyes

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More resources
IBM Db2 warehouse infoformerly named IBM dashDBOracle CoherenceSpaceTime
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