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DBMS > LevelDB vs. TerminusDB

System Properties Comparison LevelDB vs. TerminusDB

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Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelKey-value storeGraph DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.68
Rank#97  Overall
#16  Key-value stores
Score0.31
Rank#297  Overall
#27  Graph DBMS
Websitegithub.com/­google/­leveldbterminusdb.com
Technical documentationgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mdterminusdb.github.io/­terminusdb/­#
DeveloperGoogleDataChemist Ltd.
Initial release20112018
Current release1.23, February 202110.1.4, August 2022
License infoCommercial or Open SourceOpen Source infoBSDOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++Prolog, Rust
Server operating systemsIllumos
Linux
OS X
Windows
Linux
Data schemeschema-freeyes
Typing infopredefined data types such as float or datenoyes
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 indexesno
SQL infoSupport of SQLnoSQL-like query language (WOQL)
APIs and other access methodsOWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
JavaScript
Python
Server-side scripts infoStored proceduresnoyes
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
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 datanoACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infowith automatic compression on writesyes infoin-memory journaling
User concepts infoAccess controlnoRole-based access control

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More resources
LevelDBTerminusDB infoformer name was DataChemist
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