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DBMS > OpenMLDB vs. RocksDB vs. SurrealDB

System Properties Comparison OpenMLDB vs. RocksDB vs. SurrealDB

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Editorial information provided by DB-Engines
NameOpenMLDB  Xexclude from comparisonRocksDB  Xexclude from comparisonSurrealDB  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)A fully ACID transactional, developer-friendly, multi-model DBMS
Primary database modelTime Series DBMSKey-value storeDocument store
Graph DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score3.41
Rank#86  Overall
#11  Key-value stores
Score1.02
Rank#190  Overall
#33  Document stores
#18  Graph DBMS
Websiteopenmldb.airocksdb.orgsurrealdb.com
Technical documentationopenmldb.ai/­docs/­zh/­maingithub.com/­facebook/­rocksdb/­wikisurrealdb.com/­docs
Developer4 Paradigm Inc.Facebook, Inc.SurrealDB Ltd
Initial release202020132022
Current release2024-2 February 20249.2.1, May 2024v1.5.0, May 2024
License infoCommercial or Open SourceOpen SourceOpen Source infoBSDOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++, Java, ScalaC++Rust
Server operating systemsLinuxLinuxLinux
macOS
Windows
Data schemeFixed schemaschema-freeschema-free
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.nono
Secondary indexesyesno
SQL infoSupport of SQLyesnoSQL-like query language
APIs and other access methodsJDBC
SQLAlchemy
C++ API
Java API
GraphQL
RESTful HTTP API
WebSocket
Supported programming languagesC++
Go
Java
Python
Scala
C
C++
Go
Java
Perl
Python
Ruby
Deno
Go
JavaScript (Node.js)
Rust
Server-side scripts infoStored proceduresnono
Triggersno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioninghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyesACID
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.yesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardnoyes, based on authentication and database rules

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3rd partiesSpeedb: A high performance RocksDB-compliant key-value store optimized for write-intensive workloads.
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More resources
OpenMLDBRocksDBSurrealDB
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