DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. SiteWhere vs. TempoIQ vs. XTDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. SiteWhere vs. TempoIQ vs. XTDB

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	SiteWhere  Xexclude from comparison	TempoIQ formerly TempoDB  Xexclude from comparison	XTDB formerly named Crux  Xexclude from comparison
			TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	M2M integration platform for persisting/querying time series data	Scalable analytics DBMS for sensor data, provided as a service (SaaS)	A general purpose database with bitemporal SQL and Datalog and graph queries
Primary database model	Relational DBMS	Time Series DBMS	Time Series DBMS	Document store
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.06 Rank #383   Overall #43   Time Series DBMS		Score 0.18 Rank #332   Overall #46   Document stores
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	github.com/­sitewhere/­sitewhere	tempoiq.com (offline)	github.com/­xtdb/­xtdb www.xtdb.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	sitewhere1.sitewhere.io/­index.html		www.xtdb.com/­docs
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	SiteWhere	TempoIQ	Juxt Ltd.
Initial release	2016	2010	2012	2019
Current release				1.19, September 2021
License Commercial or Open Source	commercial	Open Source Common Public Attribution License Version 1.0	commercial	Open Source MIT License
Cloud-based only Only available as a cloud service	yes	no	yes	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		Java		Clojure
Server operating systems	hosted	Linux OS X Windows		All OS with a Java 8 (and higher) VM Linux
Data scheme	yes	predefined scheme	schema-free	schema-free
Typing predefined data types such as float or date	yes	yes	yes	yes, extensible-data-notation format
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	no		yes
SQL Support of SQL	yes	no	no	limited SQL, making use of Apache Calcite
APIs and other access methods	JDBC ODBC	HTTP REST	HTTP API	HTTP REST JDBC
Supported programming languages	C Java Perl Python R		C# Java JavaScript Node.js Python Ruby	Clojure Java
Server-side scripts Stored procedures	yes		no	no
Triggers	yes		yes Realtime Alerts	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding based on HBase		none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	selectable replication factor based on HBase		yes, each node contains all data
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	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	no	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	no	no
User concepts Access control	fine grained access rights according to SQL-standard	Users with fine-grained authorization concept	simple authentication-based access control
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	SiteWhere	TempoIQ formerly TempoDB	XTDB formerly named Crux
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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