DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Hawkular Metrics vs. JSqlDb vs. SwayDB vs. Transwarp KunDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Hawkular Metrics vs. JSqlDb vs. SwayDB vs. Transwarp KunDB

Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Hawkular Metrics  Xexclude from comparison	JSqlDb  Xexclude from comparison	SwayDB  Xexclude from comparison	Transwarp KunDB  Xexclude from comparison
			JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.	JavaScript Query Language Database, stores JavaScript objects and primitives	An embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storage	OLTP DBMS based on a distributed architecture and highly compatible with MySQL and Oracle
Primary database model	Relational DBMS	Time Series DBMS	Document store Object oriented DBMS	Key-value store	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.08 Rank #366   Overall #39   Time Series DBMS		Score 0.04 Rank #387   Overall #61   Key-value stores	Score 0.14 Rank #341   Overall #149   Relational DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	www.hawkular.org	jsqldb.org (offline)	swaydb.simer.au	www.transwarp.cn/­en/­product/­kundb
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	www.hawkular.org/­hawkular-metrics/­docs/­user-guide
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Community supported by Red Hat	Konrad von Backstrom	Simer Plaha	Transwarp
Initial release	2016	2014	2018	2018
Current release			0.8, December 2018
License Commercial or Open Source	commercial	Open Source Apache 2.0	Open Source	Open Source GNU Affero GPL V3.0	commercial
Cloud-based only Only available as a cloud service	yes	no	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		Java		Scala
Server operating systems	hosted	Linux OS X Windows	Linux macOS Windows
Data scheme	yes	schema-free	schema-free	schema-free	yes
Typing predefined data types such as float or date	yes	yes	no	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	no	no	no	yes
SQL Support of SQL	yes	no	no	no	yes
APIs and other access methods	JDBC ODBC	HTTP REST
Supported programming languages	C Java Perl Python R	Go Java Python Ruby	JavaScript	Java Kotlin Scala
Server-side scripts Stored procedures	yes	no	functions in JavaScript	no	yes
Triggers	yes	yes via Hawkular Alerting	no	no	yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding based on Cassandra	none	none	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	selectable replication factor based on Cassandra	none	none
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra		Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	no	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no		Atomic execution of operations	ACID
Concurrency Support for concurrent manipulation of data	yes	yes		yes	yes
Durability Support for making data persistent	yes	yes	yes using RocksDB	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	no		yes
User concepts Access control	fine grained access rights according to SQL-standard	no		no	yes
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Hawkular Metrics	JSqlDb	SwayDB	Transwarp KunDB
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 Alibaba Cloud to spur AI innovation with upcoming Singapore hackathon in March | KrASIA 21 February 2024, KrASIA How Data Analytics Capabilities of Alibaba Group Evolve Its Ecosystem to the Cloud 20 February 2021, DataDrivenInvestor provided by Google News	Waiting for Red Hat OpenShift 4.0? Too late, 4.1 has already arrived… • DEVCLASS 5 June 2019, DevClass provided by Google News

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