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DBMS > Memcached vs. SAP IQ vs. Snowflake vs. UniData,UniVerse

System Properties Comparison Memcached vs. SAP IQ vs. Snowflake vs. UniData,UniVerse

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonSnowflake  Xexclude from comparisonUniData,UniVerse  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingColumnar RDBMS optimized for Big Data analyticsCloud-based data warehousing service for structured and semi-structured dataMultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database modelKey-value storeRelational DBMS infocolumn-orientedRelational DBMSMultivalue DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score19.42
Rank#32  Overall
#4  Key-value stores
Score2.75
Rank#104  Overall
#53  Relational DBMS
Score121.33
Rank#9  Overall
#6  Relational DBMS
Score3.16
Rank#97  Overall
#2  Multivalue DBMS
Websitewww.memcached.orgwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlwww.snowflake.comwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-unidata
Technical documentationgithub.com/­memcached/­memcached/­wikihelp.sap.com/­docs/­SAP_IQdocs.snowflake.net/­manuals/­index.htmldocs.rocketsoftware.com/­bundle?cluster=true&labelkey=unidata&labelkey=prod_unidata
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalSAP, formerly SybaseSnowflake Computing Inc.Rocket Software
Initial release2003199420141985
Current release1.6.25, March 202416.1 SPS04, April 2019
License infoCommercial or Open SourceOpen Source infoBSD licensecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
AIX
HP-UX
Linux
Solaris
Windows
hostedAIX
HP-UX
Linux
Solaris
Windows
Data schemeschema-freeyesyes infosupport of semi-structured data formats (JSON, XML, Avro)schema-free
Typing infopredefined data types such as float or datenoyesyesoptional
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.noyes
Secondary indexesnoyesyes
SQL infoSupport of SQLnoyesyesyes
APIs and other access methodsProprietary protocolADO.NET
JDBC
ODBC
RESTful HTTP API
CLI Client
JDBC
ODBC
Java API infoJPA
JDBC
ODBC
OLE DB
Proprietary protocol
RESTful HTTP API
SOAP-based API
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C
C#
C++
Java
Perl
PHP
Python
Ruby
JavaScript (Node.js)
Python
.Net
Basic infoU2 Basic
C
Java
Server-side scripts infoStored proceduresnoyesuser defined functionsyes
Triggersnoyesno infosimilar concept for controling cloud resourcesyes infoU2 Basic
Partitioning methods infoMethods for storing different data on different nodesnoneshared disk or shared nothing architectures with SAP IQ Multiplexeryesnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallitySAP/Sybase Replication ServeryesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDACID infoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentnoyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolfine grained access rights according to SQL-standardUsers with fine-grained authorization concept, user roles and pluggable authenticationAccess rights according to SQL-standard and operating system based

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More resources
MemcachedSAP IQ infoformer name: Sybase IQSnowflakeUniData,UniVerse
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