DBMS > DolphinDB vs. LokiJS vs. Microsoft Azure Synapse Analytics vs. SAP Advantage Database Server vs. Sequoiadb

System Properties Comparison DolphinDB vs. LokiJS vs. Microsoft Azure Synapse Analytics vs. SAP Advantage Database Server vs. Sequoiadb

Editorial information provided by DB-Engines
Name	DolphinDB  Xexclude from comparison	LokiJS  Xexclude from comparison	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	Sequoiadb  Xexclude from comparison
				SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	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.	In-memory JavaScript DBMS	Elastic, large scale data warehouse service leveraging the broad eco-system of SQL Server	Low-cost RDBMS with access to ISAM and FoxPro data structures	NewSQL database with distributed OLTP and SQL
Primary database model	Time Series DBMS	Document store	Relational DBMS	Relational DBMS	Document store Relational DBMS
Secondary database models	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 4.03 Rank #78   Overall #6   Time Series DBMS	Score 0.49 Rank #260   Overall #42   Document stores	Score 19.93 Rank #31   Overall #19   Relational DBMS		Score 0.50 Rank #258   Overall #41   Document stores #120   Relational DBMS
Website	www.dolphindb.com	github.com/­techfort/­LokiJS	azure.microsoft.com/­services/­synapse-analytics	www.sap.com/products/advantage-database-server.html	www.sequoiadb.com
Technical documentation	docs.dolphindb.cn/­en/­help200/­index.html	techfort.github.io/­LokiJS	docs.microsoft.com/­azure/­synapse-analytics		www.sequoiadb.com/­en/­index.php?m=Files&a=index
Developer	DolphinDB, Inc		Microsoft	Sybase, SAP	Sequoiadb Ltd.
Initial release	2018	2014	2016	1993	2013
Current release	v2.00.4, January 2022
License Commercial or Open Source	commercial free community version available	Open Source	commercial	commercial	Open Source Server: AGPL; Client: Apache V2
Cloud-based only Only available as a cloud service	no	no	yes	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	C++	JavaScript	C++		C++
Server operating systems	Linux Windows	server-less, requires a JavaScript environment (browser, Node.js)	hosted	Linux Windows	Linux
Data scheme	yes	schema-free	yes	yes	schema-free
Typing predefined data types such as float or date	yes	no	yes	yes	yes oid, date, timestamp, binary, regex
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	no
Secondary indexes	yes	yes via views	yes	yes	yes
SQL Support of SQL	SQL-like query language	no	yes	yes	SQL-like query language
APIs and other access methods	JDBC JSON over HTTP Kafka MQTT (Message Queue Telemetry Transport) ODBC OPC DA OPC UA RabbitMQ WebSocket	JavaScript API	ADO.NET JDBC ODBC	.NET Client API ADO.NET JDBC ODBC OLE DB	proprietary protocol using JSON
Supported programming languages	C# C++ Go Java JavaScript MatLab Python R Rust	JavaScript	C# Java PHP	Delphi Perl PHP	.Net C++ Java PHP Python
Server-side scripts Stored procedures	yes	View functions in JavaScript	Transact SQL	yes	JavaScript
Triggers	no	yes	no	yes	no
Partitioning methods Methods for storing different data on different nodes	horizontal partitioning	none	Sharding, horizontal partitioning	none	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes	none	yes	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication	Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	yes	yes	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	none	Immediate Consistency	Immediate Consistency	Eventual Consistency
Foreign keys Referential integrity	no	no	no docs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraints	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	yes	no atomic operations within a single collection possible	ACID	ACID	Document is locked during a transaction
Concurrency Support for concurrent manipulation of data	yes		yes	yes	yes
Durability Support for making data persistent	yes	yes Serialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	yes		no caching of (temporary) tables can be configured	no
User concepts Access control	Administrators, Users, Groups	no	yes	fine grained access rights according to SQL-standard	simple password-based access control
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More resources
	DolphinDB	LokiJS	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse	SAP Advantage Database Server former name: Sybase ADS	Sequoiadb
DB-Engines blog posts		New kids on the block: database management systems implemented in JavaScript 1 December 2014, Matthias Gelbmann show all
Recent citations in the news		LokiJS - A JavaScript Database 18 November 2014, iProgrammer provided by Google News	General Available: Azure Synapse Runtime for Apache Spark 3.4 is now GA | Azure updates 8 April 2024, Microsoft Azure Synapse Runtime for Apache Spark 3.2 End of Support | Azure updates 22 March 2024, Microsoft Azure Synapse Analytics: Everything you need to know about Microsoft's cloud analytics platform 24 September 2023, DataScientest Migrate Microsoft Azure Synapse Analytics to Amazon Redshift using AWS SCT | Amazon Web Services 18 October 2023, AWS Blog Azure Synapse vs. Databricks: Data Platform Comparison 2024 26 March 2024, eWeek 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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