DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Lovefield vs. Riak TS vs. VelocityDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Lovefield vs. Riak TS vs. VelocityDB

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Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Lovefield  Xexclude from comparison	Riak TS  Xexclude from comparison	VelocityDB  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Embeddable relational database for web apps written in pure JavaScript	Riak TS is a distributed NoSQL database optimized for time series data and based on Riak KV	A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database model	Relational DBMS	Relational DBMS	Time Series DBMS	Graph DBMS Object oriented DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.33 Rank #286   Overall #131   Relational DBMS	Score 0.28 Rank #307   Overall #27   Time Series DBMS	Score 0.11 Rank #354   Overall #37   Graph DBMS #15   Object oriented DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	google.github.io/­lovefield		velocitydb.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	github.com/­google/­lovefield/­blob/­master/­docs/­spec_index.md	www.tiot.jp/­riak-docs/­riak/­ts/­latest	velocitydb.com/­UserGuide
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Google	Open Source, formerly Basho Technologies	VelocityDB Inc
Initial release	2016	2014	2015	2011
Current release		2.1.12, February 2017	3.0.0, September 2022	7.x
License Commercial or Open Source	commercial	Open Source Apache 2.0	Open Source	commercial
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		JavaScript	Erlang	C#
Server operating systems	hosted	server-less, requires a JavaScript environment (browser, Node.js) tested with Chrome, Firefox, IE, Safari	Linux OS X	Any that supports .NET
Data scheme	yes	yes	schema-free	yes
Typing predefined data types such as float or date	yes	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	no	no
Secondary indexes	yes	yes	restricted	yes
SQL Support of SQL	yes	SQL-like query language via JavaScript builder pattern	yes, limited	no
APIs and other access methods	JDBC ODBC		HTTP API Native Erlang Interface	.Net
Supported programming languages	C Java Perl Python R	JavaScript	C unofficial client library C# C++ unofficial client library Clojure unofficial client library Dart unofficial client library Erlang Go unofficial client library Groovy unofficial client library Haskell unofficial client library Java JavaScript unofficial client library Lisp unofficial client library Perl unofficial client library PHP Python Ruby Scala unofficial client library Smalltalk unofficial client library	.Net
Server-side scripts Stored procedures	yes	no	Erlang	no
Triggers	yes	Using read-only observers	yes pre-commit hooks and post-commit hooks	Callbacks are triggered when data changes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	none	Sharding	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	none	selectable replication factor
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	yes	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency		Eventual Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	yes	no links between datasets can be stored	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	ACID	no	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes, by using IndexedDB or the cloud service Firebase Realtime Database	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	yes using MemoryDB		yes
User concepts Access control	fine grained access rights according to SQL-standard	no	no	Based on Windows Authentication
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Lovefield	Riak TS	VelocityDB
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 How Data Analytics Capabilities of Alibaba Group Evolve Its Ecosystem to the Cloud 20 February 2021, DataDrivenInvestor Alibaba Cloud ignites AI innovation in Singapore with recent hackathon | KrASIA 27 March 2024, KrASIA provided by Google News

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