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DBMS > etcd vs. Oracle Rdb

System Properties Comparison etcd vs. Oracle Rdb

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Editorial information provided by DB-Engines
Nameetcd  Xexclude from comparisonOracle Rdb  Xexclude from comparison
DescriptionA distributed reliable key-value store
Primary database modelKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score8.41
Rank#50  Overall
#6  Key-value stores
Score1.17
Rank#158  Overall
#78  Relational DBMS
Websiteetcd.io
github.com/­etcd-io/­etcd
www.oracle.com/­technetwork/­database/­database-technologies/­rdb/­overview/­index.html
Technical documentationetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
DeveloperOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release1984
Current release3.4, August 20197.4.1.0, 2020
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGo
Server operating systemsFreeBSD
Linux
Windows infoexperimental
HP Open VMS
Data schemeschema-freeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or datenoyes
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 indexesnoyes
SQL infoSupport of SQLnoyes
APIs and other access methodsgRPC
JSON over HTTP
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
Server-side scripts infoStored proceduresno
Triggersyes, watching key changes
Replication methods infoMethods for redundantly storing data on multiple nodesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlno

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More resources
etcdOracle Rdb
Recent citations in the news

Distributed Key-Value Store etcd Graduates at CNCF
29 November 2020, InfoQ.com

SD Times Open-Source Project of the Week: etcd
25 November 2020, SDTimes.com

Kubernetes' etcd data store becomes top-level CNCF project
24 November 2020, SiliconANGLE News

The CNCF etcd project reaches a significant milestone with completion of security audit
5 August 2020, Container Journal

A Kubernetes Operator for etcd
13 October 2020, InfoQ.com

provided by Google News

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12 November 2013, PR Web

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14 June 2016, Seeking Alpha

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2 October 2009, Nuclear Power Portal

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