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DBMS > BoltDB vs. Memcached vs. OpenMLDB vs. Oracle NoSQL

System Properties Comparison BoltDB vs. Memcached vs. OpenMLDB vs. Oracle NoSQL

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Editorial information provided by DB-Engines
NameBoltDB  Xexclude from comparisonMemcached  Xexclude from comparisonOpenMLDB  Xexclude from comparisonOracle NoSQL  Xexclude from comparison
DescriptionAn embedded key-value store for Go.In-memory key-value store, originally intended for cachingAn open-source machine learning database that provides a feature platform for training and inferenceA multi-model, scalable, distributed NoSQL database, designed to provide highly reliable, flexible, and available data management across a configurable set of storage nodes
Primary database modelKey-value storeKey-value storeTime Series DBMSDocument store
Key-value store
Relational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.74
Rank#220  Overall
#31  Key-value stores
Score19.42
Rank#32  Overall
#4  Key-value stores
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Score2.95
Rank#100  Overall
#17  Document stores
#17  Key-value stores
#50  Relational DBMS
Websitegithub.com/­boltdb/­boltwww.memcached.orgopenmldb.aiwww.oracle.com/­database/­nosql/­technologies/­nosql
Technical documentationgithub.com/­memcached/­memcached/­wikiopenmldb.ai/­docs/­zh/­maindocs.oracle.com/­en/­database/­other-databases/­nosql-database/­index.html
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal4 Paradigm Inc.Oracle
Initial release2013200320202011
Current release1.6.27, May 20242024-2 February 202423.3, December 2023
License infoCommercial or Open SourceOpen Source infoMIT LicenseOpen Source infoBSD licenseOpen SourceOpen Source infoProprietary for Enterprise Edition (Oracle Database EE license has Oracle NoSQL database EE covered: details)
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoCC++, Java, ScalaJava
Server operating systemsBSD
Linux
OS X
Solaris
Windows
FreeBSD
Linux
OS X
Unix
Windows
LinuxLinux
Solaris SPARC/x86
Data schemeschema-freeschema-freeFixed schemaSupport Fixed schema and Schema-less deployment with the ability to interoperate between them.
Typing infopredefined data types such as float or datenonoyesoptional
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.nonono
Secondary indexesnonoyesyes
SQL infoSupport of SQLnonoyesSQL-like DML and DDL statements
APIs and other access methodsProprietary protocolJDBC
SQLAlchemy
RESTful HTTP API
Supported programming languagesGo.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C++
Go
Java
Python
Scala
C
C#
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnononono
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesnonenonehorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone infoRepcached, a Memcached patch, provides this functionallitySource-replica replicationElectable source-replica replication per shard. Support distributed global deployment with Multi-region table feature
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyEventual Consistency
Immediate Consistency infodepending on configuration
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesnonoconfigurable infoACID within a storage node (=shard)
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesnoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes infooff heap cache
User concepts infoAccess controlnoyes infousing SASL (Simple Authentication and Security Layer) protocolfine grained access rights according to SQL-standardAccess rights for users and roles

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More resources
BoltDBMemcachedOpenMLDBOracle NoSQL
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