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DBMS > DataChemist vs. LevelDB

System Properties Comparison DataChemist vs. LevelDB

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Editorial information provided by DB-Engines
NameDataChemist  Xexclude from comparisonLevelDB  Xexclude from comparison
DescriptionScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string values
Primary database modelGraph DBMSKey-value store
Secondary database modelsRDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.07
Rank#305  Overall
#31  Graph DBMS
Score3.34
Rank#83  Overall
#14  Key-value stores
Websitewww.datachemist.comgithub.com/­google/­leveldb
Technical documentationwww.datachemist.com/­images/­uploads/­general/­Evolving_MeaningfulValuefromEnterpriseData.pdfgithub.com/­google/­leveldb/­blob/­master/­doc/­index.md
DeveloperDataChemist Ltd.Google
Initial release20182011
Current release1.0, 20181.22, May 2019
License infoCommercial or Open SourcecommercialOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languagePrologC++
Server operating systemsLinuxIllumos
Linux
OS X
Windows
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesno
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 SQLSQL-like query language (WOQL)no
APIs and other access methodsOWL
RESTful HTTP API
WOQL (DataChemist Query Language)
C++ API
Go
Java infoThird party binding
Node.js infoThird party binding
Python infoThird party binding
Supported programming languagesJavaScript
Python
C++
Go
Server-side scripts infoStored proceduresyesno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesGraph Partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesJournaling Streamsnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infoin-memory journalingyes infowith automatic compression on writes
User concepts infoAccess controlRole-based access controlno

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More resources
DataChemistLevelDB
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