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DBMS > etcd vs. Neo4j vs. OpenEdge vs. Oracle Rdb vs. PieCloudDB

System Properties Comparison etcd vs. Neo4j vs. OpenEdge vs. Oracle Rdb vs. PieCloudDB

Editorial information provided by DB-Engines
Nameetcd  Xexclude from comparisonNeo4j  Xexclude from comparisonOpenEdge  Xexclude from comparisonOracle Rdb  Xexclude from comparisonPieCloudDB  Xexclude from comparison
DescriptionA distributed reliable key-value storeScalable, ACID-compliant graph database designed with a high-performance distributed cluster architecture, available in self-hosted and cloud offeringsApplication development environment with integrated database management systemA cloud-native analytic database platform with new technologoy for elastic MPP
Primary database modelKey-value storeGraph DBMSRelational DBMSRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.25
Rank#54  Overall
#5  Key-value stores
Score44.46
Rank#23  Overall
#1  Graph DBMS
Score3.51
Rank#86  Overall
#46  Relational DBMS
Score1.08
Rank#184  Overall
#85  Relational DBMS
Score0.25
Rank#304  Overall
#138  Relational DBMS
Websiteetcd.io
github.com/­etcd-io/­etcd
neo4j.comwww.progress.com/­openedgewww.oracle.com/­database/­technologies/­related/­rdb.htmlwww.openpie.com
Technical documentationetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
neo4j.com/­docsdocumentation.progress.com/­output/­ua/­OpenEdge_latestwww.oracle.com/­database/­technologies/­related/­rdb-doc.html
DeveloperNeo4j, Inc.Progress Software CorporationOracle, originally developed by Digital Equipment Corporation (DEC)OpenPie
Initial release200719841984
Current release3.4, August 20195.19, April 2024OpenEdge 12.2, March 20207.4.1.1, 20212.1, January 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoGPL version3, commercial licenses availablecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Neo4j Aura: Neo4j’s fully managed cloud service: The zero-admin, always-on graph database for cloud developers.
Implementation languageGoJava, Scala
Server operating systemsFreeBSD
Linux
Windows infoexperimental
Linux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
AIX
HP-UX
Linux
Solaris
Windows
HP Open VMShosted
Data schemeschema-freeschema-free and schema-optionalyesFlexible Schema (defined schema, partial schema, schema free)yes
Typing infopredefined data types such as float or datenoyesyesyesyes
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.noyesno
Secondary indexesnoyes infopluggable indexing subsystem, by default Apache Luceneyesyesyes
SQL infoSupport of SQLnonoyes infoclose to SQL 92yesyes
APIs and other access methodsgRPC
JSON over HTTP
Bolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
JDBC
ODBC
CLI Client
JDBC
ODBC
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
Progress proprietary ABL (Advanced Business Language)Java
PL/SQL
Python
R
Server-side scripts infoStored proceduresnoyes infoUser defined Procedures and Functionsyesuser defined functions
Triggersyes, watching key changesyes infovia event handleryesno
Partitioning methods infoMethods for storing different data on different nodesyes using Neo4j Fabrichorizontal partitioning infosince Version 11.4yes
Replication methods infoMethods for redundantly storing data on multiple nodesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.Causal Clustering using Raft protocol infoavailable in in Enterprise Version onlySource-replica replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyCausal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes infoRelationships in graphsyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDyes, on a single nodeACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonono
User concepts infoAccess controlnoUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)Users and groupsUser Roles and pluggable authentication with full SQL Standard
More information provided by the system vendor
etcdNeo4jOpenEdgeOracle RdbPieCloudDB
Specific characteristicsNeo4j delivers graph technology that has been battle tested for performance and scale...
» more
PieCloudDB, OpenPie's flagship product, is a cutting-edge cloud-native data warehouse....
» more
Competitive advantagesNeo4j is the market leader, graph database category creator, and the most widely...
» more
Extreme Elastic: PieCloudDB utilizes a cutting-edge eMPP cloud-native architecture...
» more
Typical application scenariosReal-Time Recommendations Master Data Management Identity and Access Management Network...
» more
PieCloudDB is ideal for Data mining applications that require extreme scalability...
» more
Key customersOver 800 commercial customers and over 4300 startups use Neo4j. Flagship customers...
» more
Sail-Cloud China Shipbuilding Group Haizhou System Soochow Securities ​etc.,
» more
Market metricsNeo4j boasts the world's largest graph database ecosystem with more than 140 million...
» more
Licensing and pricing modelsGPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial...
» more
PieCloudDB Community Edition: Community License, Free Download, Self-Hosted Deployment;...
» more
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