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DBMS > Memcached vs. OrigoDB vs. Snowflake vs. SQream DB vs. VelocityDB

System Properties Comparison Memcached vs. OrigoDB vs. Snowflake vs. SQream DB vs. VelocityDB

Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonOrigoDB  Xexclude from comparisonSnowflake  Xexclude from comparisonSQream DB  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingA fully ACID in-memory object graph databaseCloud-based data warehousing service for structured and semi-structured dataa GPU-based, columnar RDBMS for big data analytics workloadsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelKey-value storeDocument store
Object oriented DBMS
Relational DBMSRelational DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score18.08
Rank#32  Overall
#4  Key-value stores
Score0.06
Rank#380  Overall
#50  Document stores
#18  Object oriented DBMS
Score130.36
Rank#8  Overall
#5  Relational DBMS
Score0.74
Rank#224  Overall
#103  Relational DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitewww.memcached.orgorigodb.comwww.snowflake.comsqream.comvelocitydb.com
Technical documentationgithub.com/­memcached/­memcached/­wikiorigodb.com/­docsdocs.snowflake.net/­manuals/­index.htmldocs.sqream.comvelocitydb.com/­UserGuide
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalRobert Friberg et alSnowflake Computing Inc.SQream TechnologiesVelocityDB Inc
Initial release20032009 infounder the name LiveDB201420172011
Current release1.6.27, May 20242022.1.6, December 20227.x
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Sourcecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC#C++, CUDA, Haskell, Java, ScalaC#
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
Linux
Windows
hostedLinuxAny that supports .NET
Data schemeschema-freeyesyes infosupport of semi-structured data formats (JSON, XML, Avro)yesyes
Typing infopredefined data types such as float or datenoUser defined using .NET types and collectionsyesyes, ANSI Standard SQL Typesyes
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 infocan be achieved using .NETyesno
Secondary indexesnoyesnoyes
SQL infoSupport of SQLnonoyesyesno
APIs and other access methodsProprietary protocol.NET Client API
HTTP API
LINQ
CLI Client
JDBC
ODBC
.Net
JDBC
ODBC
.Net
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.NetJavaScript (Node.js)
Python
C++
Java
JavaScript (Node.js)
Python
.Net
Server-side scripts infoStored proceduresnoyesuser defined functionsuser defined functions in Pythonno
Triggersnoyes infoDomain Eventsno infosimilar concept for controling cloud resourcesnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioning infoclient side managed; servers are not synchronizedyeshorizontal and vertical partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallitySource-replica replicationyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynodepending on modelyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentnoyes infoWrite ahead logyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolRole based authorizationUsers with fine-grained authorization concept, user roles and pluggable authenticationBased on Windows Authentication

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More resources
MemcachedOrigoDBSnowflakeSQream DBVelocityDB
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