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DBMS > Alibaba Cloud Table Store vs. Datomic vs. RocksDB

System Properties Comparison Alibaba Cloud Table Store vs. Datomic vs. RocksDB

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NameAlibaba Cloud Table Store  Xexclude from comparisonDatomic  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionA fully managed Wide Column Store for large quantities of semi-structured data with real-time accessDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelWide column storeRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.36
Rank#262  Overall
#12  Wide column stores
Score1.93
Rank#120  Overall
#59  Relational DBMS
Score3.44
Rank#88  Overall
#14  Key-value stores
Websitewww.alibabacloud.com/­product/­table-storewww.datomic.comrocksdb.org
Technical documentationwww.alibabacloud.com/­help/­product/­27278.htmdocs.datomic.comgithub.com/­facebook/­rocksdb/­wiki
DeveloperAlibabaCognitectFacebook, Inc.
Initial release201620122013
Current release0.9.5951, July 20196.22.1, July 2021
License infoCommercial or Open Sourcecommercialcommercial infolimited edition freeOpen Source infoBSD
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ClojureC++
Server operating systemshostedAll OS with a Java VM
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyesno
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 indexesnoyesno
SQL infoSupport of SQLnonono
APIs and other access methodsHTTP APIRESTful HTTP APIC++ API
Java API
Supported programming languagesJava
Python
Clojure
Java
C++
Java
Server-side scripts infoStored proceduresnoyes infoTransaction Functionsno
TriggersnoBy using transaction functionsno
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicenone infoBut extensive use of caching in the application peersnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud servicenone infoBut extensive use of caching in the application peersnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic single-row operationsACIDyes
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes inforecommended only for testing and developmentyes
User concepts infoAccess controlAccess rights based on subaccounts and tokensnono

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More resources
Alibaba Cloud Table StoreDatomicRocksDB
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