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DBMS > LMDB vs. OushuDB vs. TerminusDB

System Properties Comparison LMDB vs. OushuDB vs. TerminusDB

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Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonOushuDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionA high performant, light-weight, embedded key-value database libraryA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelKey-value storeRelational DBMSGraph DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.99
Rank#125  Overall
#21  Key-value stores
Score0.04
Rank#363  Overall
#154  Relational DBMS
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbwww.oushu.com/­product/­oushuDBterminusdb.com
Technical documentationwww.lmdb.tech/­docwww.oushu.com/­documentationterminusdb.github.io/­terminusdb/­#
DeveloperSymasOushuDataChemist Ltd.
Initial release20112018
Current release0.9.32, January 20244.0.1, August 202011.0.0, January 2023
License infoCommercial or Open SourceOpen SourcecommercialOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCProlog, Rust
Server operating systemsLinux
Unix
Windows
LinuxLinux
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyes
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.nono
Secondary indexesnoyes
SQL infoSupport of SQLnoFull-featured ANSI SQL supportSQL-like query language (WOQL)
APIs and other access methodsJDBC
ODBC
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
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
C
C++
JavaScript
Python
Server-side scripts infoStored proceduresnoyesyes
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneyesGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlnoKerberos, SSL and role based accessRole-based access control

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More resources
LMDBOushuDBTerminusDB infoformer name was DataChemist
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