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DBMS > Alibaba Cloud AnalyticDB for MySQL vs. Datomic vs. Ehcache vs. Oracle Rdb

System Properties Comparison Alibaba Cloud AnalyticDB for MySQL vs. Datomic vs. Ehcache vs. Oracle Rdb

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NameAlibaba Cloud AnalyticDB for MySQL  Xexclude from comparisonDatomic  Xexclude from comparisonEhcache  Xexclude from comparisonOracle Rdb  Xexclude from comparison
DescriptionA real-time data warehousing service that can process petabytes of data with high concurrency and low latency. It is fully compatible with the MySQL protocol.Datomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityA widely adopted Java cache with tiered storage options
Primary database modelRelational DBMSRelational DBMSKey-value storeRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.85
Rank#207  Overall
#96  Relational DBMS
Score1.59
Rank#150  Overall
#69  Relational DBMS
Score4.89
Rank#67  Overall
#8  Key-value stores
Score1.08
Rank#184  Overall
#85  Relational DBMS
Websitewww.alibabacloud.com/­product/­analyticdb-for-mysqlwww.datomic.comwww.ehcache.orgwww.oracle.com/­database/­technologies/­related/­rdb.html
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­93776.htmdocs.datomic.comwww.ehcache.org/­documentationwww.oracle.com/­database/­technologies/­related/­rdb-doc.html
DeveloperAlibabaCognitectTerracotta Inc, owned by Software AGOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release201220091984
Current release1.0.6735, June 20233.10.0, March 20227.4.1.1, 2021
License infoCommercial or Open Sourcecommercialcommercial infolimited edition freeOpen Source infoApache Version 2; commercial licenses availablecommercial
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ClojureJava
Server operating systemshostedAll OS with a Java VMAll OS with a Java VMHP Open VMS
Data schemeyesyesschema-freeFlexible 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.yesnonono
Secondary indexesyesyesnoyes
SQL infoSupport of SQLyesnonoyes
APIs and other access methodsJDBC
ODBC
RESTful HTTP APIJCache
Supported programming languagesC#
Java
PHP
Python
Clojure
Java
Java
Server-side scripts infoStored proceduresyesyes infoTransaction Functionsno
TriggersyesBy using transaction functionsyes infoCache Event Listeners
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicenone infoBut extensive use of caching in the application peersSharding infoby using Terracotta Server
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud servicenone infoBut extensive use of caching in the application peersyes infoby using Terracotta Server
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyTunable Consistency (Strong, Eventual, Weak)Immediate Consistency
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDyes infosupports JTA and can work as an XA resourceyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes infousing a tiered cache-storage approachyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes inforecommended only for testing and developmentyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardnono
More information provided by the system vendor
Alibaba Cloud AnalyticDB for MySQLDatomicEhcacheOracle Rdb
Specific characteristicsA real-time data warehousing service that can process PB data with high concurrency...
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Competitive advantagesTPC Benchmark: The world leading result in TPC-DS benchmark . TPC-H benchmark for...
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Licensing and pricing modelsAvailable regions: America US Virginia US Silicon Valley Asia China Hong Kong India...
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Alibaba Cloud AnalyticDB for MySQLDatomicEhcacheOracle Rdb
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