DBMS > AlaSQL vs. Alibaba Cloud AnalyticDB for PostgreSQL vs. OpenTenBase vs. SpaceTime

System Properties Comparison AlaSQL vs. Alibaba Cloud AnalyticDB for PostgreSQL vs. OpenTenBase vs. SpaceTime

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Name	AlaSQL  Xexclude from comparison	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	OpenTenBase  Xexclude from comparison	SpaceTime  Xexclude from comparison
Description	JavaScript DBMS library	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	An enterprise-level distributed HTAP open source database based on PostgreSQL	SpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database model	Document store Relational DBMS	Relational DBMS	Relational DBMS	Spatial DBMS
Secondary database models				Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.51 Rank #256   Overall #40   Document stores #118   Relational DBMS	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.08 Rank #370   Overall #156   Relational DBMS	Score 0.03 Rank #392   Overall #8   Spatial DBMS
Website	alasql.org	www.alibabacloud.com/­product/­hybriddb-postgresql	github.com/­OpenTenBase/­OpenTenBase www.opentenbase.org	www.mireo.com/­spacetime
Technical documentation	github.com/­AlaSQL/­alasql	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	docs.opentenbase.org docs.opentenbase.org/­en
Developer	Andrey Gershun & Mathias R. Wulff	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	OpenAtom Foundation, previously Tencent	Mireo
Initial release	2014	2016		2020
Current release			2.5, January 2024
License Commercial or Open Source	Open Source MIT-License	commercial	Open Source BSD-3	commercial
Cloud-based only Only available as a cloud service	no	yes	no	no
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Implementation language	JavaScript			C++
Server operating systems	server-less, requires a JavaScript environment (browser, Node.js)	hosted	Linux	Linux
Data scheme	schema-free	yes	yes	yes
Typing predefined data types such as float or date	no	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.	no	yes		no
Secondary indexes	no	yes	yes	no
SQL Support of SQL	Close to SQL99, but no user access control, stored procedures and host language bindings.	yes	yes	A subset of ANSI SQL is implemented
APIs and other access methods	JavaScript API	JDBC ODBC		RESTful HTTP API
Supported programming languages	JavaScript	C Java Perl Python R	C Go Java PHP Python	C# C++ Python
Server-side scripts Stored procedures	no	yes		no
Triggers	yes	yes	yes	no
Partitioning methods Methods for storing different data on different nodes	none	Sharding Implicit feature of the cloud service	Sharding	Fixed-grid hypercubes
Replication methods Methods for redundantly storing data on multiple nodes	none	yes Implicit feature of the cloud service	yes	Real-time block device replication (DRBD)
MapReduce Offers an API for user-defined Map/Reduce methods	no	no		no
Consistency concepts Methods to ensure consistency in a distributed system	none	Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	yes	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	yes only for local storage and DOM-storage	ACID	ACID	no
Concurrency Support for concurrent manipulation of data		yes	yes	yes
Durability Support for making data persistent	yes by using IndexedDB, SQL.JS or proprietary FileStorage	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	no		no
User concepts Access control	no	fine grained access rights according to SQL-standard	Access rights for users, groups and roles according to SQL-standard	yes
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More resources
	AlaSQL	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	OpenTenBase	SpaceTime
Recent citations in the news	Create a Marvel Database with SQL and Javascript, the easy way 2 July 2019, Towards Data Science Multi faceted data exploration in the browser using Leaflet and amCharts 3 May 2020, Towards Data Science provided by Google 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

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