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DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Amazon CloudSearch vs. FoundationDB vs. Weaviate

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Amazon CloudSearch vs. FoundationDB vs. Weaviate

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Editorial information provided by DB-Engines
NameAlibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDB  Xexclude from comparisonAmazon CloudSearch  Xexclude from comparisonFoundationDB  Xexclude from comparisonWeaviate  Xexclude from comparison
Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market. As a consequence, the product was removed from the DB-Engines ranking. In April 2018, Apple open-sourced FoundationDB and it therefore reappears in the ranking.
DescriptionAn online MPP (Massively Parallel Processing) data warehousing service based on GreenplumA hosted search engine service by Amazon with the data stored in Amazons cloudOrdered key-value store. Core features are complimented by layers.An open-source GraphQL-based Smart Graph with the core features: semantic search, automatic classification, and knowledge representation
Primary database modelRelational DBMSSearch engineDocument store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Search engine
Secondary database modelsGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.38
Rank#228  Overall
#107  Relational DBMS
Score2.59
Rank#91  Overall
#10  Search engines
Score0.70
Rank#177  Overall
#26  Document stores
#31  Key-value stores
#87  Relational DBMS
Score0.06
Rank#318  Overall
#18  Search engines
Websitewww.alibabacloud.com/­product/­hybriddb-postgresqlaws.amazon.com/­cloudsearchwww.foundationdb.orggithub.com/­semi-technologies/­weaviate
www.semi.technology/­products/­weaviate.html
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­35387.htmdocs.aws.amazon.com/­cloudsearchapple.github.io/­foundationdbwww.semi.technology/­documentation/­weaviate/­current
DeveloperAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupAmazonFoundationDBSeMI Technologies B.V.
Initial release2016201220132017
Current release6.2.11, November 20190.22, January 2020
License infoCommercial or Open SourcecommercialcommercialOpen Source infoApache 2.0Open Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud serviceyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++Go
Server operating systemshostedhostedLinux
OS X
Windows
Data schemeyesyesschema-free infosome layers support schemasyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesyesno infosome layers support typingyes 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.yesno
Secondary indexesyesyes infoall search fields are automatically indexednoyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLyesnosupported in specific SQL layer onlyGraphQL is used as query language
APIs and other access methodsJDBC
ODBC
HTTP APIGraphQL query language
RESTful HTTP/JSON API
Supported programming languagesC
Java
Perl
Python
R
.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
Server-side scripts infoStored proceduresyesnoin SQL-layer onlyno
Triggersyesnonono
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceyes infoautomatic partitioning across Amazon Search Instance as requiredShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceyes infomanaged transparently by AWSyesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyLinearizable consistencyEventual Consistency
Foreign keys infoReferential integrityyesnoin SQL-layer onlyno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDno
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.nono
User concepts infoAccess controlfine grained access rights according to SQL-standardauthentication via encrypted signaturesnoOpenID Connect Discovery
More information provided by the system vendor
Alibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDBAmazon CloudSearchFoundationDBWeaviate
News

Weaviate in IEEE

Weaviate on DB-engines.com

Introduction & Demo video

FLOSS Weekly Podcast

FOSDEM 2020 video

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More resources
Alibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDBAmazon CloudSearchFoundationDBWeaviate
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