DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. BigObject vs. DolphinDB vs. SiteWhere

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. BigObject vs. DolphinDB vs. SiteWhere

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	BigObject  Xexclude from comparison	DolphinDB  Xexclude from comparison	SiteWhere  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Analytic DBMS for real-time computations and queries	DolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.	M2M integration platform for persisting/querying time series data
Primary database model	Relational DBMS	Relational DBMS a hierachical model (tree) can be imposed	Time Series DBMS	Time Series DBMS
Secondary database models			Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.19 Rank #329   Overall #146   Relational DBMS	Score 4.03 Rank #78   Overall #6   Time Series DBMS	Score 0.06 Rank #383   Overall #43   Time Series DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	bigobject.io	www.dolphindb.com	github.com/­sitewhere/­sitewhere
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	docs.bigobject.io	docs.dolphindb.cn/­en/­help200/­index.html	sitewhere1.sitewhere.io/­index.html
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	BigObject, Inc.	DolphinDB, Inc	SiteWhere
Initial release	2016	2015	2018	2010
Current release			v2.00.4, January 2022
License Commercial or Open Source	commercial	commercial free community edition available	commercial free community version available	Open Source Common Public Attribution License Version 1.0
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++	Java
Server operating systems	hosted	Linux distributed as a docker-image OS X distributed as a docker-image (boot2docker) Windows distributed as a docker-image (boot2docker)	Linux Windows	Linux OS X Windows
Data scheme	yes	yes	yes	predefined scheme
Typing predefined data types such as float or date	yes	yes	yes	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	yes	no
SQL Support of SQL	yes	SQL-like DML and DDL statements	SQL-like query language	no
APIs and other access methods	JDBC ODBC	fluentd ODBC RESTful HTTP API	JDBC JSON over HTTP Kafka MQTT (Message Queue Telemetry Transport) ODBC OPC DA OPC UA RabbitMQ WebSocket	HTTP REST
Supported programming languages	C Java Perl Python R		C# C++ Go Java JavaScript MatLab Python R Rust
Server-side scripts Stored procedures	yes	Lua	yes
Triggers	yes	no	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	none	horizontal partitioning	Sharding based on HBase
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	none	yes	selectable replication factor based on HBase
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	none	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	yes automatically between fact table and dimension tables	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	yes	no
Concurrency Support for concurrent manipulation of data	yes	yes Read/write lock on objects (tables, trees)	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	yes	yes	no
User concepts Access control	fine grained access rights according to SQL-standard	no	Administrators, Users, Groups	Users with fine-grained authorization concept
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	BigObject	DolphinDB	SiteWhere
Recent citations in the news	Alibaba Cloud upgrades AnalyticDB with vector database engine 25 July 2023, CloudTech 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 ignites AI innovation in Singapore with recent hackathon | KrASIA 27 March 2024, KrASIA provided by Google News			SiteWhere: An open platform for connected devices 11 July 2017, Open Source For You 11 Best Open source IoT Platforms To Develop Smart Projects 9 March 2023, H2S Media provided by Google News

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