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DBMS > Oracle Rdb vs. Sphinx vs. VelocityDB

System Properties Comparison Oracle Rdb vs. Sphinx vs. VelocityDB

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Editorial information provided by DB-Engines
NameOracle Rdb  Xexclude from comparisonSphinx  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionOpen source search engine for searching in data from different sources, e.g. relational databasesA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMSSearch engineGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.45
Rank#160  Overall
#76  Relational DBMS
Score7.12
Rank#62  Overall
#8  Search engines
Score0.16
Rank#331  Overall
#35  Graph DBMS
#17  Object oriented DBMS
Websitewww.oracle.com/­technetwork/­database/­database-technologies/­rdb/­overview/­index.htmlsphinxsearch.comvelocitydb.com
Technical documentationsphinxsearch.com/­docsvelocitydb.com/­UserGuide
DeveloperOracle, originally developed by Digital Equipment Corporation (DEC)Sphinx Technologies Inc.VelocityDB Inc
Initial release198420012011
Current release7.4.1.1, 20213.4.1, July 20217.x
License infoCommercial or Open SourcecommercialOpen Source infoGPL version 2, commercial licence 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#
Server operating systemsHP Open VMSFreeBSD
Linux
NetBSD
OS X
Solaris
Windows
Any that supports .NET
Data schemeFlexible Schema (defined schema, partial schema, schema free)yesyes
Typing infopredefined data types such as float or dateyesnoyes
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 indexesyesyes infofull-text index on all search fieldsyes
SQL infoSupport of SQLyesSQL-like query language (SphinxQL)no
APIs and other access methodsProprietary protocol.Net
Supported programming languagesC++ infounofficial client library
Java
Perl infounofficial client library
PHP
Python
Ruby infounofficial client library
.Net
Server-side scripts infoStored proceduresnono
TriggersnoCallbacks 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 supportedSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes, on a single nodenoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoThe original contents of fields are not stored in the Sphinx index.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlnoBased on Windows Authentication

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More resources
Oracle RdbSphinxVelocityDB
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