DBMS > Apache IoTDB vs. Cachelot.io vs. DolphinDB vs. SAP Advantage Database Server

System Properties Comparison Apache IoTDB vs. Cachelot.io vs. DolphinDB vs. SAP Advantage Database Server

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Editorial information provided by DB-Engines
Name	Apache IoTDB  Xexclude from comparison	Cachelot.io  Xexclude from comparison	DolphinDB  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison
				SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	An IoT native database with high performance for data management and analysis, deployable on the edge and the cloud and integrated with Hadoop, Spark and Flink	In-memory caching system	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
Primary database model	Time Series DBMS	Key-value store	Time Series DBMS	Relational DBMS
Secondary database models			Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 1.31 Rank #164   Overall #14   Time Series DBMS	Score 0.04 Rank #388   Overall #62   Key-value stores	Score 4.03 Rank #78   Overall #6   Time Series DBMS
Website	iotdb.apache.org	cachelot.io	www.dolphindb.com	www.sap.com/products/advantage-database-server.html
Technical documentation	iotdb.apache.org/­UserGuide/­Master/­QuickStart/­QuickStart.html		docs.dolphindb.cn/­en/­help200/­index.html
Developer	Apache Software Foundation		DolphinDB, Inc	Sybase, SAP
Initial release	2018	2015	2018	1993
Current release	1.1.0, April 2023		v2.00.4, January 2022
License Commercial or Open Source	Open Source Apache Version 2.0	Open Source Simplified BSD License	commercial free community version available	commercial
Cloud-based only Only available as a cloud service	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	C++	C++
Server operating systems	All OS with a Java VM (>= 1.8)	FreeBSD Linux OS X	Linux Windows	Linux Windows
Data scheme	yes	schema-free	yes	yes
Typing predefined data types such as float or date	yes	no	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	no	no
Secondary indexes	yes	no	yes	yes
SQL Support of SQL	SQL-like query language	no	SQL-like query language	yes
APIs and other access methods	JDBC Native API	Memcached protocol	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# C++ Go Java Python Scala	.Net C C++ ColdFusion Erlang Java Lisp Lua OCaml OCaml Perl PHP Python Ruby	C# C++ Go Java JavaScript MatLab Python R Rust	Delphi Perl PHP
Server-side scripts Stored procedures	yes	no	yes	yes
Triggers	yes	no	no	yes
Partitioning methods Methods for storing different data on different nodes	horizontal partitioning (by time range) + vertical partitioning (by deviceId)	none	horizontal partitioning	none
Replication methods Methods for redundantly storing data on multiple nodes	selectable replication methods; using Raft/IoTConsensus algorithm to ensure strong/eventual data consistency among multiple replicas	none	yes	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	Integration with Hadoop and Spark	no	yes	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency Strong Consistency with Raft	none	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	no	yes	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	no	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	no	yes	no caching of (temporary) tables can be configured
User concepts Access control	yes	no	Administrators, Users, Groups	fine grained access rights according to SQL-standard
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More resources
	Apache IoTDB	Cachelot.io	DolphinDB	SAP Advantage Database Server former name: Sybase ADS
Recent citations in the news	AMD EPYC 4364P & 4564P @ DDR5-4800 / DDR5-5200 vs. Intel Xeon E-2488 Review 6 June 2024, Phoronix TsFile: A Standard Format for IoT Time Series Data 27 February 2024, The New Stack Linux 6.5 With AMD P-State EPP Default Brings Performance & Power Efficiency Benefits For Ryzen Servers 21 September 2023, Phoronix Apache Promotes IoT Database Project 25 September 2020, Datanami AMD EPYC 8324P / 8324PN Siena 32-Core Siena Linux Server Performance Review 10 October 2023, Phoronix 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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