DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Cachelot.io vs. OpenQM vs. Typesense

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Cachelot.io vs. OpenQM vs. Typesense

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Cachelot.io  Xexclude from comparison	OpenQM also called QM  Xexclude from comparison	Typesense  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	In-memory caching system	QpenQM is a high-performance, self-tuning, multi-value DBMS	A typo-tolerant, in-memory search engine optimized for instant search-as-you-type experiences and developer productivity
Primary database model	Relational DBMS	Key-value store	Multivalue DBMS	Search engine
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.04 Rank #388   Overall #62   Key-value stores	Score 0.34 Rank #284   Overall #10   Multivalue DBMS	Score 0.76 Rank #219   Overall #14   Search engines
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	cachelot.io	www.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm	typesense.org
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview			typesense.org/­docs
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group		Rocket Software, originally Martin Phillips
Initial release	2016	2015	1993	2015
Current release			3.4-12
License Commercial or Open Source	commercial	Open Source Simplified BSD License	Open Source GPLv2, extended commercial license available	Open Source GPL V3
Cloud-based only Only available as a cloud service	yes	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		C++		C++
Server operating systems	hosted	FreeBSD Linux OS X	AIX FreeBSD Linux macOS Raspberry Pi Solaris Windows	Linux
Data scheme	yes	schema-free	yes with some exceptions	schema-free pre-defined schema optional
Typing predefined data types such as float or date	yes	no		yes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	yes	no	yes
Secondary indexes	yes	no	yes	yes
SQL Support of SQL	yes	no	no	no
APIs and other access methods	JDBC ODBC	Memcached protocol		RESTful HTTP API
Supported programming languages	C Java Perl Python R	.Net C C++ ColdFusion Erlang Java Lisp Lua OCaml OCaml Perl PHP Python Ruby	.Net Basic C Java Objective C PHP Python	.Net community maintained Clojure community maintained Dart community maintained Go community maintained Java community maintained JavaScript Perl community maintained PHP Python Ruby Rust community maintained Swift community maintained
Server-side scripts Stored procedures	yes	no	yes	no
Triggers	yes	no	yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	none	yes
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	none	yes	Multi-source replication using RAFT
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	none	Immediate Consistency
Foreign keys Referential integrity	yes	no	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	ACID	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	no	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	no		yes
User concepts Access control	fine grained access rights according to SQL-standard	no	Access rights can be defined down to the item level
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Cachelot.io	OpenQM also called QM	Typesense
Recent citations in the news	Two Critical Flaws Found in Alibaba Cloud's PostgreSQL Databases 20 April 2023, The Hacker News Accidental ‘write’ Permissions In Alibaba PostgreSQL Let Attackers Access Sensitive Data 22 April 2023, GBHackers Two critical vulnerabilities spotted in Alibaba Cloud's PostgreSQL databases 21 April 2023, TEISS Alibaba Cloud to spur AI innovation with upcoming Singapore hackathon in March | KrASIA 21 February 2024, KrASIA How Data Analytics Capabilities of Alibaba Group Evolve Its Ecosystem to the Cloud 20 February 2021, DataDrivenInvestor provided by Google News			Elasticsearch alternatives: 8 to consider after the license change 11 March 2021, TechGenix 5 Recipe Search Engines to Cook Based on Time, Budget, & Ingredients - MUO 19 April 2022, MakeUseOf Olivia Munn & John Mulaney's Toddler Malcolm Is a Style Icon 5 May 2023, SheKnows provided by Google News

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