DBMS > DolphinDB vs. Graph Engine vs. Hazelcast vs. SpatiaLite

System Properties Comparison DolphinDB vs. Graph Engine vs. Hazelcast vs. SpatiaLite

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Name	DolphinDB  Xexclude from comparison	Graph Engine former name: Trinity  Xexclude from comparison	Hazelcast  Xexclude from comparison	SpatiaLite  Xexclude from comparison
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.	A distributed in-memory data processing engine, underpinned by a strongly-typed RAM store and a general distributed computation engine	A widely adopted in-memory data grid	Spatial extension of SQLite
Primary database model	Time Series DBMS	Graph DBMS Key-value store	Key-value store	Spatial DBMS
Secondary database models	Relational DBMS		Document store JSON support with IMDG 3.12	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 1.65 Rank #139   Overall #9   Time Series DBMS	Score 0.88 Rank #187   Overall #16   Graph DBMS #31   Key-value stores	Score 10.38 Rank #48   Overall #6   Key-value stores	Score 1.91 Rank #127   Overall #2   Spatial DBMS
Website	www.dolphindb.com	www.graphengine.io	hazelcast.com	www.gaia-gis.it/­fossil/­libspatialite/­index
Technical documentation	www.dolphindb.com/­help	www.graphengine.io/­docs/­manual	hazelcast.org/­imdg/­docs	www.gaia-gis.it/­gaia-sins/­spatialite_topics.html
Developer	DolphinDB, Inc	Microsoft	Hazelcast	Alessandro Furieri
Initial release	2018	2010	2008	2008
Current release	v2.00.4, January 2022		5.1, March 2022	5.0.0, August 2020
License Commercial or Open Source	commercial free community version available	Open Source MIT License	Open Source Apache Version 2; commercial licenses available	Open Source MPL 1.1, GPL v2.0 or LGPL v2.1
Cloud-based only Only available as a cloud service	no	no	no	no
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Implementation language	C++	.NET and C	Java	C++
Server operating systems	Linux Windows	.NET	All OS with a Java VM	server-less
Data scheme	yes	yes	schema-free	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	yes the object must implement a serialization strategy	no
Secondary indexes	yes		yes	yes
SQL Support of SQL	SQL-like query language	no	SQL-like query language	yes
APIs and other access methods	JDBC JSON over HTTP Kafka MQTT (Message Queue Telemetry Transport) ODBC OPC DA OPC UA RabbitMQ WebSocket	RESTful HTTP API	JCache JPA Memcached protocol RESTful HTTP API
Supported programming languages	C# C++ Go Java JavaScript MatLab Python R Rust	C# C++ F# Visual Basic	.Net C# C++ Clojure Go Java JavaScript (Node.js) Python Scala
Server-side scripts Stored procedures	yes	yes	yes Event Listeners, Executor Services	no
Triggers	no	no	yes Events	yes
Partitioning methods Methods for storing different data on different nodes	horizontal partitioning	horizontal partitioning	Sharding	none
Replication methods Methods for redundantly storing data on multiple nodes	yes		yes Replicated Map	none
MapReduce Offers an API for user-defined Map/Reduce methods	yes		yes	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency		Immediate Consistency or Eventual Consistency selectable by user Raft Consensus Algorithm
Foreign keys Referential integrity	no	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	yes	no	one or two-phase-commit; repeatable reads; read commited	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	optional: either by committing a write-ahead log (WAL) to the local persistent storage or by dumping the memory to a persistent storage	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	yes	yes	yes
User concepts Access control	Administrators, Users, Groups		Role-based access control	no
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	DolphinDB	Graph Engine former name: Trinity	Hazelcast	SpatiaLite
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