DBMS > Amazon CloudSearch vs. DolphinDB vs. SAP Advantage Database Server vs. Transwarp KunDB

System Properties Comparison Amazon CloudSearch vs. DolphinDB vs. SAP Advantage Database Server vs. Transwarp KunDB

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Editorial information provided by DB-Engines
Name	Amazon CloudSearch  Xexclude from comparison	DolphinDB  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	Transwarp KunDB  Xexclude from comparison
			SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	A hosted search engine service by Amazon with the data stored in Amazons cloud	DolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.	Low-cost RDBMS with access to ISAM and FoxPro data structures	OLTP DBMS based on a distributed architecture and highly compatible with MySQL and Oracle
Primary database model	Search engine	Time Series DBMS	Relational DBMS	Relational DBMS
Secondary database models		Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 1.81 Rank #137   Overall #12   Search engines	Score 4.03 Rank #78   Overall #6   Time Series DBMS		Score 0.14 Rank #341   Overall #149   Relational DBMS
Website	aws.amazon.com/­cloudsearch	www.dolphindb.com	www.sap.com/products/advantage-database-server.html	www.transwarp.cn/­en/­product/­kundb
Technical documentation	docs.aws.amazon.com/­cloudsearch	docs.dolphindb.cn/­en/­help200/­index.html
Developer	Amazon	DolphinDB, Inc	Sybase, SAP	Transwarp
Initial release	2012	2018	1993
Current release		v2.00.4, January 2022
License Commercial or Open Source	commercial	commercial free community version available	commercial	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		C++
Server operating systems	hosted	Linux Windows	Linux Windows
Data scheme	yes	yes	yes	yes
Typing predefined data types such as float or date	yes	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	no
Secondary indexes	yes all search fields are automatically indexed	yes	yes	yes
SQL Support of SQL	no	SQL-like query language	yes	yes
APIs and other access methods	HTTP API	JDBC JSON over HTTP Kafka MQTT (Message Queue Telemetry Transport) ODBC OPC DA OPC UA RabbitMQ WebSocket	.NET Client API ADO.NET JDBC ODBC OLE DB
Supported programming languages		C# C++ Go Java JavaScript MatLab Python R Rust	Delphi Perl PHP
Server-side scripts Stored procedures	no	yes	yes	yes
Triggers	no	no	yes	yes
Partitioning methods Methods for storing different data on different nodes	yes automatic partitioning across Amazon Search Instance as required	horizontal partitioning	none	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes managed transparently by AWS	yes	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes	no	no
Consistency concepts Methods to ensure consistency in a distributed system		Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no	yes	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	yes	ACID	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	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.		yes	no caching of (temporary) tables can be configured
User concepts Access control	authentication via encrypted signatures	Administrators, Users, Groups	fine grained access rights according to SQL-standard	yes
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More resources
	Amazon CloudSearch	DolphinDB	SAP Advantage Database Server former name: Sybase ADS	Transwarp KunDB
DB-Engines blog posts	Amazon - the rising star in the DBMS market 3 August 2015, Matthias Gelbmann The DB-Engines ranking includes now search engines 4 February 2013, Paul Andlinger show all
Recent citations in the news	Amazon CloudSearch – Start Searching in One Hour for Less Than $100 / Month | Amazon Web Services 12 April 2012, AWS Blog Searching CloudTrail Logs Easily with Amazon CloudSearch | AWS Startups Blog 21 October 2014, AWS Blog AWS, Microsoft and Google should retire these cloud services 2 June 2020, TechTarget CloudSearch Update – Price Reduction, Hebrew & Japanese Support, Partitioning, CloudTrail | Amazon Web Services 19 November 2014, AWS Blog Serverless Reference Architectures with AWS Lambda 10 May 2016, All Things Distributed provided by Google News		SAP Announces Q3 2023 Results: Asia Pacific and Japan View 19 October 2023, SAP News provided by Google News

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