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DBMS > Datomic vs. MaxDB vs. RocksDB vs. SiteWhere

System Properties Comparison Datomic vs. MaxDB vs. RocksDB vs. SiteWhere

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Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonRocksDB  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityA robust and reliable RDBMS optimized to run all major SAP solutionsEmbeddable persistent key-value store optimized for fast storage (flash and RAM)M2M integration platform for persisting/querying time series data
Primary database modelRelational DBMSRelational DBMSKey-value storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.55
Rank#144  Overall
#67  Relational DBMS
Score2.15
Rank#115  Overall
#55  Relational DBMS
Score2.84
Rank#97  Overall
#16  Key-value stores
Score0.07
Rank#347  Overall
#33  Time Series DBMS
Websitewww.datomic.commaxdb.sap.comrocksdb.orggithub.com/­sitewhere/­sitewhere
Technical documentationdocs.datomic.commaxdb.sap.com/­documentationgithub.com/­facebook/­rocksdb/­wikisitewhere1.sitewhere.io/­index.html
DeveloperCognitectSAP, acquired from Software AG (Adabas-D) in 1997Facebook, Inc.SiteWhere
Initial release2012198420132010
Current release1.0.7180, July 20247.9.10.12, February 20249.4.0, June 2024
License infoCommercial or Open Sourcecommercial infolimited edition freecommercial infoLimited community edition freeOpen Source infoBSDOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ClojureC++C++Java
Server operating systemsAll OS with a Java VMAIX
HP-UX
Linux
Solaris
Windows
LinuxLinux
OS X
Windows
Data schemeyesyesschema-freepredefined scheme
Typing infopredefined data types such as float or dateyesyesnoyes
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.nononono
Secondary indexesyesyesnono
SQL infoSupport of SQLnoyesnono
APIs and other access methodsRESTful HTTP APIADO.NET
JDBC
ODBC
WebDAV
C++ API
Java API
HTTP REST
Supported programming languagesClojure
Java
.Net
C#
Java
Perl
PHP
Python
C
C++
Go
Java
Perl
Python
Ruby
Server-side scripts infoStored proceduresyes infoTransaction Functionsyesno
TriggersBy using transaction functionsyes
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersnonehorizontal partitioningSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersSource-replica replicationyesselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDyesno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes inforecommended only for testing and developmentnoyesno
User concepts infoAccess controlnofine grained access rights according to SQL-standardnoUsers with fine-grained authorization concept

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More resources
DatomicMaxDB infoformerly named Adabas-DRocksDBSiteWhere
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