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DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. EJDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. EJDB

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Editorial information provided by DB-Engines
NameAlibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDB  Xexclude from comparisonEJDB  Xexclude from comparison
DescriptionAn online MPP (Massively Parallel Processing) data warehousing service based on GreenplumEmbeddable document-store database library with JSON representation of queries (in MongoDB style)
Primary database modelRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.48
Rank#303  Overall
#138  Relational DBMS
Score0.65
Rank#279  Overall
#41  Document stores
Websitewww.alibabacloud.com/­product/­hybriddb-postgresqlejdb.org
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­35387.htmgithub.com/­Softmotions/­ejdb/­blob/­master/­README.md
DeveloperAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupSoftmotions
Initial release20162012
License infoCommercial or Open SourcecommercialOpen Source infoGPLv2
Cloud-based only infoOnly available as a cloud serviceyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC
Server operating systemshostedserver-less
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesyes 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.yes
Secondary indexesyesno
SQL infoSupport of SQLyesno
APIs and other access methodsJDBC
ODBC
in-process shared library
Supported programming languagesC
Java
Perl
Python
R
Actionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Server-side scripts infoStored proceduresyesno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud servicenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesno infotypically not needed, however similar functionality with collection joins possible
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes infoRead/Write Locking
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlfine grained access rights according to SQL-standardno

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Alibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDBEJDB
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