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DBMS > LMDB vs. SurrealDB vs. TempoIQ vs. Weaviate

System Properties Comparison LMDB vs. SurrealDB vs. TempoIQ vs. Weaviate

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Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonSurrealDB  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparisonWeaviate  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionA high performant, light-weight, embedded key-value database libraryA fully ACID transactional, developer-friendly, multi-model DBMSScalable analytics DBMS for sensor data, provided as a service (SaaS)An AI-native realtime vector database engine that integrates scalable machine learning models.
Primary database modelKey-value storeDocument store
Graph DBMS
Time Series DBMSVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.90
Rank#123  Overall
#21  Key-value stores
Score1.01
Rank#181  Overall
#30  Document stores
#17  Graph DBMS
Score1.45
Rank#147  Overall
#9  Vector DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbsurrealdb.comtempoiq.com (offline)github.com/­weaviate/­weaviate
weaviate.io
Technical documentationwww.lmdb.tech/­docsurrealdb.com/­docsweaviate.io/­developers/­weaviate
DeveloperSymasSurrealDB LtdTempoIQWeaviate B.V.
Initial release2011202220122019
Current release0.9.32, January 2024v1.5.0, May 20241.19, May 2023
License infoCommercial or Open SourceOpen SourceOpen SourcecommercialOpen Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCRustGo
Server operating systemsLinux
Unix
Windows
Linux
macOS
Windows
Data schemeschema-freeschema-freeschema-freeyes, 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.nonono
Secondary indexesnoyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLnoSQL-like query languagenoGraphQL is used as query language
APIs and other access methodsGraphQL
RESTful HTTP API
WebSocket
HTTP APIGraphQL query language
RESTful HTTP/JSON API
Supported programming languages.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
Deno
Go
JavaScript (Node.js)
Rust
C#
Java
JavaScript infoNode.js
Python
Ruby
JavaScript / TypeScript
Python
Server-side scripts infoStored proceduresnonono
Triggersnoyes infoRealtime Alertsno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnono
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.yesnoyes
User concepts infoAccess controlnoyes, based on authentication and database rulessimple authentication-based access controlAPI Keys
OpenID Connect Discovery
More information provided by the system vendor
LMDBSurrealDBTempoIQ infoformerly TempoDBWeaviate
Specific characteristicsWeaviate is an open source vector database that is robust, scalable, cloud-native,...
» more
Competitive advantagesFlexible deployment - Free, open source or fully-managed cloud vector database service...
» more
Typical application scenariosAs a database supporting the development of generative AI and semantic search applications...
» more
Key customersAll companies that have data. ​
» more
Market metricsAs of mid 2023: Over 2 million open source downloads 3500+ Weaviate Slack community...
» more
Licensing and pricing modelsWeaviate is open-source, and free to use. Weaviate is also available as a fully managed...
» more

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More resources
LMDBSurrealDBTempoIQ infoformerly TempoDBWeaviate
DB-Engines blog posts

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

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