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DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Memcached vs. OushuDB vs. SQL.JS

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Memcached vs. OushuDB vs. SQL.JS

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Editorial information provided by DB-Engines
NameAlibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDB  Xexclude from comparisonMemcached  Xexclude from comparisonOushuDB  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionAn online MPP (Massively Parallel Processing) data warehousing service based on GreenplumIn-memory key-value store, originally intended for cachingA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningPort of SQLite to JavaScript
Primary database modelRelational DBMSKey-value storeRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.68
Rank#231  Overall
#105  Relational DBMS
Score19.42
Rank#32  Overall
#4  Key-value stores
Score0.04
Rank#363  Overall
#154  Relational DBMS
Score0.53
Rank#252  Overall
#116  Relational DBMS
Websitewww.alibabacloud.com/­product/­hybriddb-postgresqlwww.memcached.orgwww.oushu.com/­product/­oushuDBsql.js.org
Technical documentationwww.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overviewgithub.com/­memcached/­memcached/­wikiwww.oushu.com/­documentationsql.js.org/­documentation/­index.html
DeveloperAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalOushuAlon Zakai infoenhancements implemented by others
Initial release201620032012
Current release1.6.25, March 20244.0.1, August 2020
License infoCommercial or Open SourcecommercialOpen Source infoBSD licensecommercialOpen Source
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJavaScript
Server operating systemshostedFreeBSD
Linux
OS X
Unix
Windows
Linuxserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesyes
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.yesno
Secondary indexesyesnoyes
SQL infoSupport of SQLyesnoFull-featured ANSI SQL supportyes infoSQL-92 is not fully supported
APIs and other access methodsJDBC
ODBC
Proprietary protocolJDBC
ODBC
JavaScript API
Supported programming languagesC
Java
Perl
Python
R
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C
C++
JavaScript
Server-side scripts infoStored proceduresyesnoyesno
Triggersyesnoyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicenoneyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud servicenone infoRepcached, a Memcached patch, provides this functionallitynone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynone
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesnoyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlfine grained access rights according to SQL-standardyes infousing SASL (Simple Authentication and Security Layer) protocolKerberos, SSL and role based accessno

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More resources
Alibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDBMemcachedOushuDBSQL.JS
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