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DBMS > IBM Db2 warehouse vs. RocksDB vs. SpaceTime

System Properties Comparison IBM Db2 warehouse vs. RocksDB vs. SpaceTime

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Editorial information provided by DB-Engines
NameIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonRocksDB  Xexclude from comparisonSpaceTime  Xexclude from comparison
DescriptionCloud-based data warehousing serviceEmbeddable persistent key-value store optimized for fast storage (flash and RAM)SpaceTime 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
Score1.26
Rank#162  Overall
#73  Relational DBMS
Score2.84
Rank#97  Overall
#16  Key-value stores
Score0.00
Rank#385  Overall
#7  Spatial DBMS
Websitewww.ibm.com/­products/­db2/­warehouserocksdb.orgwww.mireo.com/­spacetime
Technical documentationgithub.com/­facebook/­rocksdb/­wiki
DeveloperIBMFacebook, Inc.Mireo
Initial release201420132020
Current release9.4.0, June 2024
License infoCommercial or Open SourcecommercialOpen Source infoBSDcommercial
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C++
Server operating systemshostedLinuxLinux
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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
C++ API
Java API
RESTful HTTP API
Supported programming languagesJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
C
C++
Go
Java
Perl
Python
Ruby
C#
C++
Python
Server-side scripts infoStored proceduresPL/SQL, SQL PLnono
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioningFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesReal-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 ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyesno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
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-standardnoyes

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More resources
IBM Db2 warehouse infoformerly named IBM dashDBRocksDBSpaceTime
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