DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Alibaba Cloud TSDB vs. H2 vs. InfinityDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Alibaba Cloud TSDB vs. H2 vs. InfinityDB

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Alibaba Cloud TSDB  Xexclude from comparison	H2  Xexclude from comparison	InfinityDB  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	A stable, reliable, and cost-effective online high-performance time series database service	Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.	A Java embedded Key-Value Store which extends the Java Map interface
Primary database model	Relational DBMS	Time Series DBMS	Relational DBMS	Key-value store
Secondary database models			Spatial DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.29 Rank #301   Overall #26   Time Series DBMS	Score 8.33 Rank #46   Overall #30   Relational DBMS	Score 0.08 Rank #365   Overall #55   Key-value stores
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	www.alibabacloud.com/­product/­hitsdb	www.h2database.com	boilerbay.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb	www.h2database.com/­html/­main.html	boilerbay.com/­infinitydb/­manual
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Alibaba	Thomas Mueller	Boiler Bay Inc.
Initial release	2016		2005	2002
Current release			2.2.220, July 2023	4.0
License Commercial or Open Source	commercial	commercial	Open Source dual-licence (Mozilla public license, Eclipse public license)	commercial
Cloud-based only Only available as a cloud service	yes	yes	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language			Java	Java
Server operating systems	hosted	hosted	All OS with a Java VM	All OS with a Java VM
Data scheme	yes	schema-free	yes	yes nested virtual Java Maps, multi-value, logical ‘tuple space’ runtime Schema upgrade
Typing predefined data types such as float or date	yes	Numeric data and Strings	yes	yes all Java primitives, Date, CLOB, BLOB, huge sparse arrays
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	no manual creation possible, using inversions based on multi-value capability
SQL Support of SQL	yes	no	yes	no
APIs and other access methods	JDBC ODBC	HTTP REST	JDBC ODBC	Access via java.util.concurrent.ConcurrentNavigableMap Interface Proprietary API to InfinityDB ItemSpace (boilerbay.com/­docs/­ItemSpaceDataStructures.htm)
Supported programming languages	C Java Perl Python R	Java	Java	Java
Server-side scripts Stored procedures	yes	no	Java Stored Procedures and User-Defined Functions	no
Triggers	yes	no	yes	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service		none	none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service		With clustering: 2 database servers on different computers operate on identical copies of a database	none
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	Immediate Consistency	Immediate Consistency READ-COMMITTED or SERIALIZED
Foreign keys Referential integrity	yes	no	yes	no manual creation possible, using inversions based on multi-value capability
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	ACID	ACID Optimistic locking for transactions; no isolation for bulk loads
Concurrency Support for concurrent manipulation of data	yes	yes	yes, multi-version concurrency control (MVCC)	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	no	yes	no
User concepts Access control	fine grained access rights according to SQL-standard	Access managed on TSDB instance level	fine grained access rights according to SQL-standard	no
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Alibaba Cloud TSDB	H2	InfinityDB
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 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 Experts disclosed two critical flaws in Alibaba cloud database services 20 April 2023, securityaffairs.com provided by Google News

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