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DBMS > Memcached vs. SAP IQ vs. TerminusDB

System Properties Comparison Memcached vs. SAP IQ vs. TerminusDB

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingColumnar RDBMS optimized for Big Data analyticsScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelKey-value storeRelational DBMS infocolumn-orientedGraph DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score17.74
Rank#32  Overall
#4  Key-value stores
Score2.62
Rank#105  Overall
#52  Relational DBMS
Score0.18
Rank#320  Overall
#29  Graph DBMS
Websitewww.memcached.orgwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlterminusdb.com
Technical documentationgithub.com/­memcached/­memcached/­wikihelp.sap.com/­docs/­SAP_IQterminusdb.github.io/­terminusdb/­#
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalSAP, formerly SybaseDataChemist Ltd.
Initial release200319942018
Current release1.6.27, May 202416.1 SPS04, April 201911.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoBSD licensecommercialOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCProlog, Rust
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
AIX
HP-UX
Linux
Solaris
Windows
Linux
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or datenoyesyes
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 indexesnoyes
SQL infoSupport of SQLnoyesSQL-like query language (WOQL)
APIs and other access methodsProprietary protocolADO.NET
JDBC
ODBC
RESTful HTTP API
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
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
Python
Server-side scripts infoStored proceduresnoyesyes
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneshared disk or shared nothing architectures with SAP IQ MultiplexerGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallitySAP/Sybase Replication ServerJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentnoyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolfine grained access rights according to SQL-standardRole-based access control

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More resources
MemcachedSAP IQ infoformer name: Sybase IQTerminusDB infoformer name was DataChemist
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