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DBMS > Alibaba Cloud MaxCompute vs. DataFS vs. EventStoreDB vs. VelocityDB

System Properties Comparison Alibaba Cloud MaxCompute vs. DataFS vs. EventStoreDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameAlibaba Cloud MaxCompute  Xexclude from comparisonDataFS  Xexclude from comparisonEventStoreDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionMaxCompute (previously known as ODPS) is a general purpose, fully managed, multi-tenancy data processing platform for large-scale data warehousingAll data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.Industrial-strength, open-source database solution built from the ground up for event sourcing.A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMS infoa graph-processing framework is available with the graphs being stored in tablesObject oriented DBMSEvent StoreGraph DBMS
Object oriented DBMS
Secondary database modelsGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.84
Rank#209  Overall
#98  Relational DBMS
Score0.09
Rank#360  Overall
#17  Object oriented DBMS
Score1.19
Rank#173  Overall
#1  Event Stores
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitewww.alibabacloud.com/­product/­maxcomputenewdatabase.comwww.eventstore.comvelocitydb.com
Technical documentationwww.alibabacloud.com/­help/­en/­maxcomputedev.mobiland.com/­Overview.xspdevelopers.eventstore.comvelocitydb.com/­UserGuide
DeveloperAlibabaMobiland AGEvent Store LimitedVelocityDB Inc
Initial release2016201820122011
Current release1.1.263, October 202221.2, February 20217.x
License infoCommercial or Open SourcecommercialcommercialOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#
Server operating systemshostedWindowsLinux
Windows
Any that supports .NET
Data schemeyesClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)yes
Typing infopredefined data types such as float or dateyesyesyes
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 indexesnonoyes
SQL infoSupport of SQLSQL-like query languagenono
APIs and other access methodsFluentd
Flume
MaxCompute Console
.NET Client API
Proprietary client DLL
WinRT client
.Net
Supported programming languagesJava.Net
C
C#
C++
VB.Net
.Net
Server-side scripts infoStored proceduresuser defined functions infoin Javano
Triggersnono, except callback-events from server when changes happenedCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceProprietary Sharding systemSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud service
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlAccess rights for users and rolesWindows-ProfileBased on Windows Authentication

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More resources
Alibaba Cloud MaxComputeDataFSEventStoreDBVelocityDB
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