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DBMS > EDB Postgres vs. etcd vs. Weaviate

System Properties Comparison EDB Postgres vs. etcd vs. Weaviate

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Editorial information provided by DB-Engines
NameEDB Postgres  Xexclude from comparisonetcd  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionThe EDB Postgres Platform is an enterprise-class data management platform based on the open source database PostgreSQL with flexible deployment options and Oracle compatibility features, complemented by tool kits for management, integration, and migration.A distributed reliable key-value storeA cloud-native, realtime vector search engine integrating scalable machine learning models
Primary database modelRelational DBMSKey-value storeVector DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.37
Rank#110  Overall
#55  Relational DBMS
Score9.26
Rank#51  Overall
#5  Key-value stores
Score1.08
Rank#223  Overall
#4  Vector DBMS
Websitewww.enterprisedb.cometcd.io
github.com/­etcd-io/­etcd
github.com/­semi-technologies/­weaviate
weaviate.io
Technical documentationwww.enterprisedb.com/­edb-docsetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
weaviate.io/­developers/­weaviate/­current
DeveloperEnterpriseDBWeaviate B.V.
Initial release20052019
Current release14, December 20213.4, August 20191.17, December 2022
License infoCommercial or Open Sourcecommercial infoBSD for PostgreSQL-componentsOpen Source infoApache Version 2.0Open Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCGoGo
Server operating systemsLinux
Windows
FreeBSD
Linux
Windows infoexperimental
Data schemeyesschema-freeyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesnoyes infostring, int, float, geo point, date, cross reference, fuzzy references
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.yes infospecific XML-type available, but no XML query functionality.nono
Secondary indexesyesnoyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLyes infostandard with numerous extensionsnoGraphQL is used as query language
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
gRPC
JSON over HTTP
GraphQL query language
RESTful HTTP/JSON API
Supported programming languages.Net
C
C++
Delphi
Java
Perl
PHP
Python
Tcl
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
Server-side scripts infoStored proceduresuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.nono
Triggersyesyes, watching key changesno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning infoby hash, list or rangeSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnono
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyes
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.nonono
User concepts infoAccess controlfine grained access rights according to SQL-standardnoOpenID Connect Discovery
More information provided by the system vendor
EDB PostgresetcdWeaviate
Typical application scenariosAs a stand-alone vector search engine, or use one of the many modules (transformers,...
» more
Key customersA ll companies that have data. ​
» more
Licensing and pricing modelsWeaviate is open-source, and free to use. We also offer Fully managed Weaviate on...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
EDB PostgresetcdWeaviate
DB-Engines blog posts

Weaviate, an ANN Database with CRUD support
2 February 2021,  Etienne Dilocker, SeMI Technologies (sponsor) 

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Recent citations in the news

3 key features in EDB PostgreSQL 15
29 November 2022, InfoWorld

EDB Makes Postgres Training Free and Available to All
18 April 2023, GlobeNewswire

EDB Announces Postgres Distributed 5.0
28 February 2023, Datanami

Enterprise DB entices Oracle users to move to Postgres
27 April 2023, SiliconANGLE News

EDB offers 'risk-free' migration to lure Oracle users to the PostgreSQL side
2 May 2023, The Register

provided by Google News

How does Kubernetes use etcd?
21 November 2022, TechTarget

Sebi allows direct market access to registered FPIs for participating in ETCDs | Mint
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Overcoming the Kubernetes Skills Gap with ChatGPT Assistance
23 May 2023, The New Stack

How to restore a Kubernetes cluster from an etcd snapshot
16 December 2021, TechTarget

How Many Nodes for Your Kubernetes Control Plane?
14 September 2022, The New Stack

provided by Google News

Weaviate Raises $50 Million Series B Funding to Meet Soaring Demand for AI Native Vector Database Technology
21 April 2023, Yahoo Finance

Weaviate reels in $50M for its AI-optimized vector database
21 April 2023, SiliconANGLE News

Index Ventures Leads $50 Million Investment in AI Startup Weaviate
20 April 2023, The Information

SeMI Technologies becomes Weaviate USA - English - USA - English
18 January 2023, PR Newswire

Generative AI hackathon in Seattle encourages entrepreneurs to ...
5 June 2023, GeekWire

provided by Google News

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