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DBMS > LevelDB vs. STSdb

System Properties Comparison LevelDB vs. STSdb

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Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonSTSdb  Xexclude from comparison
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesKey-Value Store with special method for indexing infooptimized for high performance using a special indexing method
Primary database modelKey-value storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.75
Rank#86  Overall
#14  Key-value stores
Score0.12
Rank#274  Overall
#45  Key-value stores
Websitegithub.com/­google/­leveldbstssoft.com/­products/­stsdb-4-0
Technical documentationgithub.com/­google/­leveldb/­blob/­master/­doc/­index.md
DeveloperGoogleSTS Soft SC
Initial release20112011
Current release1.22, May 2019
License infoCommercial or Open SourceOpen Source infoBSDOpen Source infoGPLv2, commercial license available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C#
Server operating systemsIllumos
Linux
OS X
Windows
Windows
Data schemeschema-freeyes
Typing infopredefined data types such as float or datenoyes infoprimitive types and user defined types (classes)
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.no
Secondary indexesnono
SQL infoSupport of SQLnono
APIs and other access methodsC++ API
Go
Java infoThird party binding
Node.js infoThird party binding
Python infoThird party binding
.NET Client API
Supported programming languagesC++
Go
C#
Java
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infowith automatic compression on writesyes
User concepts infoAccess controlnono

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More resources
LevelDBSTSdb
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