DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. NSDb vs. Splunk vs. TimesTen

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. NSDb vs. Splunk vs. TimesTen

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Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	NSDb  Xexclude from comparison	Splunk  Xexclude from comparison	TimesTen  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Scalable, High-performance Time Series DBMS designed for Real-time Analytics on top of Kubernetes	Analytics Platform for Big Data	In-Memory RDBMS compatible to Oracle
Primary database model	Relational DBMS	Time Series DBMS	Search engine	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 #369   Overall #40   Time Series DBMS	Score 89.10 Rank #14   Overall #2   Search engines	Score 1.36 Rank #161   Overall #75   Relational DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	nsdb.io	www.splunk.com	www.oracle.com/­database/­technologies/­related/­timesten.html
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	nsdb.io/­Architecture	docs.splunk.com/­Documentation/­Splunk	docs.oracle.com/­database/­timesten-18.1
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group		Splunk Inc.	Oracle, TimesTen Performance Software, HP originally founded in HP Labs it was acquired by Oracle in 2005
Initial release	2016	2017	2003	1998
Current release				11 Release 2 (11.2.2.8.0)
License Commercial or Open Source	commercial	Open Source Apache Version 2.0	commercial Limited free edition and free developer edition available	commercial
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		Java, Scala
Server operating systems	hosted	Linux macOS	Linux OS X Solaris Windows	AIX HP-UX Linux OS X Solaris SPARC/x86 Windows
Data scheme	yes		yes	yes
Typing predefined data types such as float or date	yes	yes: int, bigint, decimal, string	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	yes	no
Secondary indexes	yes	all fields are automatically indexed	yes	yes
SQL Support of SQL	yes	SQL-like query language	no Splunk Search Processing Language for search commands	yes
APIs and other access methods	JDBC ODBC	gRPC HTTP REST WebSocket	HTTP REST	JDBC ODBC ODP.NET Oracle Call Interface (OCI)
Supported programming languages	C Java Perl Python R	Java Scala	C# Java JavaScript PHP Python Ruby	C C++ Java PL/SQL
Server-side scripts Stored procedures	yes	no	yes	PL/SQL
Triggers	yes		yes	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding	Sharding	none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service		Multi-source replication	Multi-source replication Source-replica replication
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	Eventual Consistency	Eventual Consistency	Immediate Consistency or Eventual Consistency depending on configuration
Foreign keys Referential integrity	yes	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	no A 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	Using Apache Lucene	yes	yes by means of logfiles and checkpoints
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		Access rights for users and roles	fine grained access rights according to SQL-standard
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	NSDb	Splunk	TimesTen
DB-Engines blog posts			Enterprise Search Engines almost double their popularity in the last 12 months 2 July 2014, Paul Andlinger show all
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

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