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DBMS > Sphinx vs. STSdb vs. VelocityDB

System Properties Comparison Sphinx vs. STSdb vs. VelocityDB

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Editorial information provided by DB-Engines
NameSphinx  Xexclude from comparisonSTSdb  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionOpen source search engine for searching in data from different sources, e.g. relational databasesKey-Value Store with special method for indexing infooptimized for high performance using a special indexing methodA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelSearch engineKey-value storeGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.86
Rank#56  Overall
#5  Search engines
Score0.03
Rank#360  Overall
#54  Key-value stores
Score0.00
Rank#379  Overall
#40  Graph DBMS
#20  Object oriented DBMS
Websitesphinxsearch.comgithub.com/­STSSoft/­STSdb4velocitydb.com
Technical documentationsphinxsearch.com/­docsvelocitydb.com/­UserGuide
DeveloperSphinx Technologies Inc.STS Soft SCVelocityDB Inc
Initial release200120112011
Current release3.5.1, February 20234.0.8, September 20157.x
License infoCommercial or Open SourceOpen Source infoGPL version 2, commercial licence availableOpen Source infoGPLv2, commercial license availablecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C#C#
Server operating systemsFreeBSD
Linux
NetBSD
OS X
Solaris
Windows
WindowsAny that supports .NET
Data schemeyesyesyes
Typing infopredefined data types such as float or datenoyes infoprimitive types and user defined types (classes)yes
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 indexesyes infofull-text index on all search fieldsnoyes
SQL infoSupport of SQLSQL-like query language (SphinxQL)nono
APIs and other access methodsProprietary protocol.NET Client API.Net
Supported programming languagesC++ infounofficial client library
Java
Perl infounofficial client library
PHP
Python
Ruby infounofficial client library
C#
Java
.Net
Server-side scripts infoStored proceduresnonono
TriggersnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infoPartitioning is done manually, search queries against distributed index is supportednoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoThe original contents of fields are not stored in the Sphinx index.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlnonoBased on Windows Authentication

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More resources
SphinxSTSdbVelocityDB
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