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DBMS > Alibaba Cloud HybridDB vs. Alibaba Cloud MaxCompute vs. DolphinDB vs. EJDB

System Properties Comparison Alibaba Cloud HybridDB vs. Alibaba Cloud MaxCompute vs. DolphinDB vs. EJDB

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Editorial information provided by DB-Engines
NameAlibaba Cloud HybridDB  Xexclude from comparisonAlibaba Cloud MaxCompute  Xexclude from comparisonDolphinDB  Xexclude from comparisonEJDB  Xexclude from comparison
DescriptionHybridDB is an online MPP (Massively Parallel Processing) data warehousing service based on GreenplumMaxCompute (previously known as ODPS) is a general purpose, fully managed, multi-tenancy data processing platform for large-scale data warehousingTime Series DBMS for big data, integrated with a lightweight distributed computing framework and a vector programming languageEmbeddable document-store database library with JSON representation of queries (in MongoDB style)
Primary database modelRelational DBMSRelational DBMS infoa graph-processing framework is available with the graphs being stored in tablesTime Series DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#234  Overall
#109  Relational DBMS
Score0.49
Rank#208  Overall
#100  Relational DBMS
Score0.21
Rank#255  Overall
#18  Time Series DBMS
Score0.18
Rank#262  Overall
#35  Document stores
Websitewww.alibabacloud.com/­product/­hybriddb-postgresqlwww.alibabacloud.com/­product/­maxcomputewww.dolphindb.comejdb.org
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­35387.htmwww.alibabacloud.com/­help/­product/­27797.htmwww.dolphindb.com/­helpgithub.com/­Softmotions/­ejdb/­blob/­master/­README.md
DeveloperAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupAlibabaDolphinDB, IncSoftmotions
Initial release2016201620182012
License infoCommercial or Open Sourcecommercialcommercialcommercial infofree community version availableOpen Source infoGPLv2
Cloud-based only infoOnly available as a cloud serviceyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C
Server operating systemshostedhostedLinux
Windows
server-less
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesyes infostring, integer, double, bool, date, object_id
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.yesnono
Secondary indexesyesnonono
SQL infoSupport of SQLyesSQL-like query languageSQL-like query languageno
APIs and other access methodsJDBC
ODBC
Fluentd
Flume
MaxCompute Console
JDBC
ODBC
in-process shared library
Supported programming languagesC
Java
Perl
Python
R
JavaC#
C++
Java
JavaScript
Python
R
Actionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Server-side scripts infoStored proceduresyesuser defined functions infoin Javayesno
Triggersyesnonono
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceSharding infoImplicit feature of the cloud servicehorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceyes infoImplicit feature of the cloud serviceyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono infotypically not needed, however similar functionality with collection joins possible
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoyesno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoRead/Write Locking
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users and rolesAdministrators, Users, Groupsno

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More resources
Alibaba Cloud HybridDBAlibaba Cloud MaxComputeDolphinDBEJDB
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