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DBMS > Datomic vs. SAP IQ vs. SpaceTime vs. YDB

System Properties Comparison Datomic vs. SAP IQ vs. SpaceTime vs. YDB

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Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonSpaceTime  Xexclude from comparisonYDB  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityColumnar RDBMS optimized for Big Data analyticsSpaceTime is a spatio-temporal DBMS with a focus on performance.A distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelRelational DBMSRelational DBMS infocolumn-orientedSpatial DBMSDocument store
Relational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.59
Rank#150  Overall
#69  Relational DBMS
Score2.75
Rank#104  Overall
#53  Relational DBMS
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score0.35
Rank#278  Overall
#43  Document stores
#127  Relational DBMS
Websitewww.datomic.comwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlwww.mireo.com/­spacetimegithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationdocs.datomic.comhelp.sap.com/­docs/­SAP_IQydb.tech/­en/­docs
DeveloperCognitectSAP, formerly SybaseMireoYandex
Initial release2012199420202019
Current release1.0.6735, June 202316.1 SPS04, April 2019
License infoCommercial or Open Sourcecommercial infolimited edition freecommercialcommercialOpen Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ClojureC++
Server operating systemsAll OS with a Java VMAIX
HP-UX
Linux
Solaris
Windows
LinuxLinux
Data schemeyesyesyesFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesyesyesyes
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.nononono
Secondary indexesyesyesnoyes
SQL infoSupport of SQLnoyesA subset of ANSI SQL is implementedSQL-like query language (YQL)
APIs and other access methodsRESTful HTTP APIADO.NET
JDBC
ODBC
RESTful HTTP API
RESTful HTTP APIRESTful HTTP API (DynamoDB compatible)
Supported programming languagesClojure
Java
C
C#
C++
Java
Perl
PHP
Python
Ruby
C#
C++
Python
Go
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresyes infoTransaction Functionsyesnono
TriggersBy using transaction functionsyesno
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersshared disk or shared nothing architectures with SAP IQ MultiplexerFixed-grid hypercubesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersSAP/Sybase Replication ServerReal-time block device replication (DRBD)Active-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes inforecommended only for testing and developmentnonono
User concepts infoAccess controlnofine grained access rights according to SQL-standardyesAccess rights defined for Yandex Cloud users

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More resources
DatomicSAP IQ infoformer name: Sybase IQSpaceTimeYDB
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