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DBMS > LMDB vs. searchxml vs. Transwarp KunDB

System Properties Comparison LMDB vs. searchxml vs. Transwarp KunDB

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Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonsearchxml  Xexclude from comparisonTranswarp KunDB  Xexclude from comparison
DescriptionA high performant, light-weight, embedded key-value database libraryDBMS for structured and unstructured content wrapped with an application serverOLTP DBMS based on a distributed architecture and highly compatible with MySQL and Oracle
Primary database modelKey-value storeNative XML DBMS
Search engine
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.09
Rank#121  Overall
#20  Key-value stores
Score0.03
Rank#390  Overall
#7  Native XML DBMS
#24  Search engines
Score0.14
Rank#341  Overall
#149  Relational DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbwww.searchxml.net/­category/­productswww.transwarp.cn/­en/­product/­kundb
Technical documentationwww.lmdb.tech/­docwww.searchxml.net/­support/­handouts
DeveloperSymasinformationpartners gmbhTranswarp
Initial release20112015
Current release0.9.32, January 20241.0
License infoCommercial or Open SourceOpen Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC++
Server operating systemsLinux
Unix
Windows
Windows
Data schemeschema-freeschema-freeyes
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.noyes
Secondary indexesnoyesyes
SQL infoSupport of SQLnonoyes
APIs and other access methodsRESTful HTTP API
WebDAV
XQuery
XSLT
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++ infomost other programming languages supported via APIs
Server-side scripts infoStored proceduresnoyes infoon the application serveryes
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesnonenonehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infosychronisation to multiple collections
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDmultiple readers, single writerACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlnoDomain, group and role-based access control at the document level and for application servicesyes

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More resources
LMDBsearchxmlTranswarp KunDB
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