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DBMS > SAP IQ vs. VelocityDB vs. XTDB

System Properties Comparison SAP IQ vs. VelocityDB vs. XTDB

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Editorial information provided by DB-Engines
NameSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonVelocityDB  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionColumnar RDBMS optimized for Big Data analyticsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)A general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelRelational DBMS infocolumn-orientedGraph DBMS
Object oriented DBMS
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.64
Rank#108  Overall
#52  Relational DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#16  Object oriented DBMS
Score0.18
Rank#332  Overall
#46  Document stores
Websitewww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlvelocitydb.comgithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationhelp.sap.com/­docs/­SAP_IQvelocitydb.com/­UserGuidewww.xtdb.com/­docs
DeveloperSAP, formerly SybaseVelocityDB IncJuxt Ltd.
Initial release199420112019
Current release16.1 SPS04, April 20197.x1.19, September 2021
License infoCommercial or Open SourcecommercialcommercialOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#Clojure
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
Any that supports .NETAll OS with a Java 8 (and higher) VM
Linux
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyes, extensible-data-notation format
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.nonono
Secondary indexesyesyesyes
SQL infoSupport of SQLyesnolimited SQL, making use of Apache Calcite
APIs and other access methodsADO.NET
JDBC
ODBC
RESTful HTTP API
.NetHTTP REST
JDBC
Supported programming languagesC
C#
C++
Java
Perl
PHP
Python
Ruby
.NetClojure
Java
Server-side scripts infoStored proceduresyesnono
TriggersyesCallbacks are triggered when data changesno
Partitioning methods infoMethods for storing different data on different nodesshared disk or shared nothing architectures with SAP IQ MultiplexerShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesSAP/Sybase Replication Serveryes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsHadoop integrationnono
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 dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlfine grained access rights according to SQL-standardBased on Windows Authentication

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More resources
SAP IQ infoformer name: Sybase IQVelocityDBXTDB infoformerly named Crux
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