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DBMS > Alibaba Cloud Table Store vs. atoti vs. Datomic vs. SpaceTime vs. Tkrzw

System Properties Comparison Alibaba Cloud Table Store vs. atoti vs. Datomic vs. SpaceTime vs. Tkrzw

Editorial information provided by DB-Engines
NameAlibaba Cloud Table Store  Xexclude from comparisonatoti  Xexclude from comparisonDatomic  Xexclude from comparisonSpaceTime  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionA fully managed Wide Column Store for large quantities of semi-structured data with real-time accessAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.Datomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilitySpaceTime is a spatio-temporal DBMS with a focus on performance.A concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto Cabinet
Primary database modelWide column storeObject oriented DBMSRelational DBMSSpatial DBMSKey-value store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#297  Overall
#11  Wide column stores
Score0.61
Rank#243  Overall
#10  Object oriented DBMS
Score1.66
Rank#144  Overall
#66  Relational DBMS
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Score0.07
Rank#372  Overall
#57  Key-value stores
Websitewww.alibabacloud.com/­product/­table-storeatoti.iowww.datomic.comwww.mireo.com/­spacetimedbmx.net/­tkrzw
Technical documentationwww.alibabacloud.com/­help/­en/­tablestoredocs.atoti.iodocs.datomic.com
DeveloperAlibabaActiveViamCognitectMireoMikio Hirabayashi
Initial release2016201220202020
Current release1.0.7075, December 20230.9.3, August 2020
License infoCommercial or Open Sourcecommercialcommercial infofree versions availablecommercial infolimited edition freecommercialOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJava, ClojureC++C++
Server operating systemshostedAll OS with a Java VMLinuxLinux
macOS
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesno
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 indexesnoyesno
SQL infoSupport of SQLnoMultidimensional Expressions (MDX)noA subset of ANSI SQL is implementedno
APIs and other access methodsHTTP APIRESTful HTTP APIRESTful HTTP API
Supported programming languagesJava
Python
Clojure
Java
C#
C++
Python
C++
Java
Python
Ruby
Server-side scripts infoStored proceduresnoPythonyes infoTransaction Functionsnono
TriggersnoBy using transaction functionsnono
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceSharding, horizontal partitioningnone infoBut extensive use of caching in the application peersFixed-grid hypercubesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud servicenone infoBut extensive use of caching in the application peersReal-time block device replication (DRBD)none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic single-row operationsACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyesyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes inforecommended only for testing and developmentnoyes infousing specific database classes
User concepts infoAccess controlAccess rights based on subaccounts and tokensnoyesno

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More resources
Alibaba Cloud Table StoreatotiDatomicSpaceTimeTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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