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DBMS > OpenMLDB vs. RocksDB vs. SAP HANA vs. SQL.JS

System Properties Comparison OpenMLDB vs. RocksDB vs. SAP HANA vs. SQL.JS

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Editorial information provided by DB-Engines
NameOpenMLDB  Xexclude from comparisonRocksDB  Xexclude from comparisonSAP HANA  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionAn open-source machine learning database that provides a feature platform for training and inferenceEmbeddable persistent key-value store optimized for fast storage (flash and RAM)In-memory, column based data store. Available as appliance or cloud servicePort of SQLite to JavaScript
Primary database modelTime Series DBMSKey-value storeRelational DBMSRelational DBMS
Secondary database modelsRelational DBMSDocument store
Graph DBMS infowith SAP Hana, Enterprise Edition
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.11
Rank#339  Overall
#30  Time Series DBMS
Score2.84
Rank#97  Overall
#16  Key-value stores
Score41.32
Rank#23  Overall
#16  Relational DBMS
Score0.53
Rank#246  Overall
#115  Relational DBMS
Websiteopenmldb.airocksdb.orgwww.sap.com/­products/­hana.htmlsql.js.org
Technical documentationopenmldb.ai/­docs/­zh/­maingithub.com/­facebook/­rocksdb/­wikihelp.sap.com/­hanasql.js.org/­documentation/­index.html
Developer4 Paradigm Inc.Facebook, Inc.SAPAlon Zakai infoenhancements implemented by others
Initial release2020201320102012
Current release2024-2 February 20249.4.0, June 20242.0 SPS07 (April 4, 2023), April 2023
License infoCommercial or Open SourceOpen SourceOpen Source infoBSDcommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonono infoalso available as a cloud based serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++, Java, ScalaC++JavaScript
Server operating systemsLinuxLinuxAppliance or cloud-serviceserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeFixed schemaschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesyes
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 indexesyesnoyes
SQL infoSupport of SQLyesnoyesyes infoSQL-92 is not fully supported
APIs and other access methodsJDBC
SQLAlchemy
C++ API
Java API
JDBC
ODBC
JavaScript API
Supported programming languagesC++
Go
Java
Python
Scala
C
C++
Go
Java
Perl
Python
Ruby
JavaScript
Server-side scripts infoStored proceduresnonoSQLScript, Rno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioninghorizontal partitioningyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integritynonoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyesACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardnoyesno

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OpenMLDBRocksDBSAP HANASQL.JS
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