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DBMS > Snowflake vs. VoltDB vs. Weaviate

System Properties Comparison Snowflake vs. VoltDB vs. Weaviate

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Editorial information provided by DB-Engines
NameSnowflake  Xexclude from comparisonVoltDB  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionCloud-based data warehousing service for structured and semi-structured dataDistributed In-Memory NewSQL RDBMS infoUsed for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memoryA cloud-native, realtime vector search engine integrating scalable machine learning models
Primary database modelRelational DBMSRelational DBMSSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score52.07
Rank#21  Overall
#14  Relational DBMS
Score1.72
Rank#132  Overall
#66  Relational DBMS
Score0.17
Rank#294  Overall
#15  Search engines
Websitewww.snowflake.comwww.voltdb.comgithub.com/­semi-technologies/­weaviate
www.semi.technology/­solutions/­weaviate
Technical documentationdocs.snowflake.net/­manuals/­index.htmldocs.voltdb.comwww.semi.technology/­developers/­weaviate/­current
DeveloperSnowflake Computing Inc.VoltDB Inc.SeMI Technologies B.V.
Initial release201420102017
Current release10.1, October 20201.0.3, January 2021
License infoCommercial or Open SourcecommercialOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro EditionsOpen Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, C++Go
Server operating systemshostedLinux
OS X infofor development
Data schemeyes infosupport of semi-structured data formats (JSON, XML, Avro)yesyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesyesyes 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 data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLyesyes infoonly a subset of SQL 99GraphQL is used as query language
APIs and other access methodsCLI Client
JDBC
ODBC
Java API
JDBC
RESTful HTTP/JSON API
GraphQL query language
RESTful HTTP/JSON API
Supported programming languagesJavaScript (Node.js)
Python
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresuser defined functionsJavano
Triggersno infosimilar concept for controling cloud resourcesnono
Partitioning methods infoMethods for storing different data on different nodesyesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replication
Source-replica replication
yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesno infoFOREIGN KEY constraints are not supportedno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infoTransactions are executed single-threaded within stored proceduresno
Concurrency infoSupport for concurrent manipulation of datayesyes infoData access is serialized by the serveryes
Durability infoSupport for making data persistentyesyes infoSnapshots and command loggingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlUsers with fine-grained authorization concept, user roles and pluggable authenticationUsers and roles with access to stored proceduresOpenID Connect Discovery
More information provided by the system vendor
SnowflakeVoltDBWeaviate
News

Weaviate in IEEE

Weaviate on DB-engines.com

Introduction & Demo video

FLOSS Weekly Podcast

FOSDEM 2020 video

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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
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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

Snowflake doubters voice reservations over data warehouse's attempt to break into financial services
17 September 2021, The Register

Snowflake launches Financial Services Data Cloud, touts big customer wins
14 September 2021, ZDNet

AnalyticsIQ Announces Data Integration Partnership with Snowflake
16 September 2021, Database Trends and Applications

Fivetran snags $565m funding round as Snowflake attempts to eat its lunch with in-house data integration tools
21 September 2021, The Register

Your occasional storage digest with Rewind, Satori, a Snowflake quadfecta, benchmark bifecta and more – Blocks and Files
17 September 2021, Blocks and Files

provided by Google News

VoltDB Launches Active(N) Lossless Cross Data Center Replication
31 August 2021, PRNewswire

VoltDB Launches Active (N) Lossless Data Center Cross Replication
1 September 2021, EnterpriseTalk

SQL In-Memory Database Market Size, Trends, and Key Companies – Microsoft Corporation, Oracle Corporation, IBM Corporation, SAP SE, Teradata Corporation, Amazon Web Services, Tableau software – Stillwater Current
21 September 2021, Stillwater Current

VoltDB Partners with Google Cloud for 5G Edge Applications
24 June 2021, PRNewswire

Top 20 Global Investment Bank Chooses VoltDB to Power Real-Time Decision-Making Capabilities
2 March 2021, PRNewswire

provided by Google News

Weaviate is an open-source search engine powered by ML, vectors, graphs, and GraphQL
7 April 2021, ZDNet

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

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

Why the rise of vector databases is a revolution for data analysis
7 July 2021, TechGenix

provided by Google News

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