DB-EnginesInfluxDB: Focus on building software with an easy-to-use serverless, scalable time series platformEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Amazon DynamoDB vs. Citus vs. CrateDB vs. Weaviate

System Properties Comparison Amazon DynamoDB vs. Citus vs. CrateDB vs. Weaviate

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameAmazon DynamoDB  Xexclude from comparisonCitus  Xexclude from comparisonCrateDB  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionHosted, scalable database service by Amazon with the data stored in Amazons cloudScalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQLDistributed Date Store based on LuceneA cloud-native, realtime vector search engine integrating scalable machine learning models
Primary database modelDocument store
Key-value store
Relational DBMSRelational DBMS
Search engine
Search engine
Secondary database modelsDocument storeDocument store
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score84.46
Rank#16  Overall
#2  Document stores
#2  Key-value stores
Score1.77
Rank#135  Overall
#65  Relational DBMS
Score0.97
Rank#178  Overall
#86  Relational DBMS
#13  Search engines
Score0.17
Rank#295  Overall
#19  Search engines
Websiteaws.amazon.com/­dynamodbwww.citusdata.comcrate.iogithub.com/­semi-technologies/­weaviate
weaviate.io
Technical documentationdocs.aws.amazon.com/­dynamodbdocs.citusdata.comcrate.io/­docsweaviate.io/­developers/­weaviate/­current
DeveloperAmazonCrateSeMI Technologies B.V.
Initial release2012201020132017
Current release8.1, December 20181.0.3, January 2021
License infoCommercial or Open Sourcecommercial infofree tier for a limited amount of database operationsOpen Source infoAGPL, commercial license also availableOpen SourceOpen Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCJavaGo
Server operating systemshostedLinuxAll OS with a Java 7 (and higher) VM
Data schemeschema-freeyesFlexible Schema (defined schema, partial schema, schema free)yes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesyesyesyes 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 functionalitynono
Secondary indexesyesyesyesyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLnoyes infostandard, with numerous extensionsyes, but no triggers and constraintsGraphQL is used as query language
APIs and other access methodsRESTful HTTP APIADO.NET
JDBC
native C library
ODBC
streaming API for large objects
ADO.NET infocommunity maintained client
JDBC
MQTT (Message Queue Telemetry Transport)
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
GraphQL query language
RESTful HTTP/JSON API
Supported programming languages.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Erlang
Go infocommunity maintained client
Java
JavaScript (Node.js) infocommunity maintained client
Perl infocommunity maintained client
PHP
Python
Ruby infocommunity maintained client
Scala infocommunity maintained client
Server-side scripts infoStored proceduresnouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.user defined functionsno
Triggersyes infoby integration with AWS Lambdayesnono
Partitioning methods infoMethods for storing different data on different nodesShardingShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replication infoother methods possible by using 3rd party extensionsselectable replication factoryes
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)nonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate ConsistencyEventual Consistency
Read Your Own Writes Consistency infofor primary key lookups
Eventual Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoACID across one or more tables within a single AWS account and regionACIDno infounique row identifiers can be used for implementing an optimistic concurrency control strategyno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonono
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)fine grained access rights according to SQL-standardrights management via user accountsOpenID Connect Discovery
More information provided by the system vendor
Amazon DynamoDBCitusCrateDBWeaviate
Specific characteristicsCrateDB is an open source distributed SQL database that spreads data and processing...
» more
Competitive advantagesCrateDB is typically used in operational analytics applications, particularly those...
» more
Typical application scenariosCrateDB is ideal for integrating and analyzing streams of data--often machine-generated--in...
» more
As a stand-alone vector search engine, or use one of the many modules (transformers,...
» more
Key customersCrateDB customers include McAfee, Qualtrics , Nokia, NBC Golfnow , Digital Domain...
» more
A ll companies that have data. ​
» more
Market metricsThe CrateDB open source project was started in 2014. CrateDB was the winner of TechCrunch...
» more
Licensing and pricing modelsCrateDB pricing CrateDB Community Edition is open source and free to use under the...
» more
Weaviate is open-source, and free to use. We also offer Fully managed Weaviate on...
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services
3rd partiesCData: Connect to Big Data & NoSQL through standard Drivers.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Amazon DynamoDBCitusCrateDBWeaviate
DB-Engines blog posts

Cloud-based DBMS's popularity grows at high rates
12 December 2019, Paul Andlinger

The popularity of cloud-based DBMSs has increased tenfold in four years
7 February 2017, Matthias Gelbmann

Increased popularity for consuming DBMS services out of the cloud
2 October 2015, Paul Andlinger

show all

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

show all

Recent citations in the news

Veritas chases public cloud and IoT edge with retooled NetBackup – Blocks and Files
16 May 2022, Blocks and Files

Quick Start to AWS: Databases. Part 1: Introduction to RDS, Aurora &… | by Cloud Digests | Geek Culture | Apr, 2022
20 April 2022, Medium

AWS goes live with Amplify Studio: Quick, cloud-hosted application building
22 April 2022, DevClass

Designing Secure Tenant Isolation in Python for Serverless Apps
20 April 2022, InfoQ.com

Clumio Protect releases turnkey ransomware protection solution for Amazon DynamoDB
12 April 2022, VentureBeat

provided by Google News

Learn how to build a fast, scalable data system on Azure Hyperscale (Citus) and Cosmos DB
1 April 2022, YourStory

Microsoft Expands Azure PostgreSQL Moxy Through Citus Data Purchase
30 January 2019, Data Center Knowledge

Storage news ticker – March 29 – Blocks and Files
29 March 2022, Blocks and Files

At Ignite, Microsoft enhances its cloud database, warehouse and lake services
2 November 2021, ZDNet

Testing times: Microsoft gets PostgreSQL on Azure a day after GA
4 October 2021, The Register

provided by Google News

CrateDB 4.5 takes distributed SQL database open source
24 March 2021, TechTarget

Crate.io raises $10M to grow its database platform
15 June 2021, VentureBeat

Crate.io Expands CrateDB Cloud with the Launch of CrateDB Edge
15 April 2021, GlobeNewswire

Crate.io Announces CrateDB Will Switch to an Elasticsearch Fork Following License Change
11 February 2021, GlobeNewswire

Crate.io extends database service offering to Google Cloud
13 April 2022, VentureBeat

provided by Google News

SeMI Technologies’ search engine opens up new ways to query your data
22 February 2022, TechCrunch

The History of the Weaviate Vector Search Engine
9 May 2020, hackernoon.com

Database technology evolves to combine machine learning and data storage
7 March 2022, VentureBeat

Getting Started with the Weaviate Vector Search Engine
18 May 2020, hackernoon.com

Weaviate Is A Search Engine For Vector Embeddings
11 May 2020, hackernoon.com

provided by Google News

Job opportunities

Support Engineer (L5), Checkout
Amazon.com Services LLC, Remote

SDE-AWS AI Rekognition Labels, Amazon Rekognition Labels & Moderation
Amazon.com Services LLC, Bellevue, WA

Software Development Engineer, Amazon DynamoDB Replicator
Amazon Dev Center U.S., Inc., Remote

Quality Assurance Engineer
Amazon.com Services LLC, Remote

Applications Programmer *Fully Remote*
Harmonia Holdings Group, LLC, Washington, DC

Database Solutions Engineer
CNH Industrial, United States

Systems Admin Postgres DBA
Retail Business Services, Chicago, IL

Systems Admin Postgres DBA
Retail Business Services, Quincy, MA

Systems Admin Postgres DBA
Retail Business Services, Mauldin, SC

Senior Program Manager
Microsoft, Redmond, WA

Data Pipeline Engineer III, Search Engineering
Mailchimp, Oakland, CA

Database Architect
Aptos, Atlanta, GA

Senior Cloud Operations Engineer
Aptos, Atlanta, GA

jobs by Indeed



Share this page

Featured Products

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Redis logo

The world’s most loved real‑time data platform.
Try free

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 80GB free.

Present your product here