DBMS > AlaSQL vs. Drizzle vs. Hazelcast

System Properties Comparison AlaSQL vs. Drizzle vs. Hazelcast

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Editorial information provided by DB-Engines
Name	AlaSQL  Xexclude from comparison	Drizzle  Xexclude from comparison	Hazelcast  Xexclude from comparison
		Drizzle has published its last release in September 2012. The open-source project is discontinued and Drizzle is excluded from the DB-Engines ranking.
Description	JavaScript DBMS library	MySQL fork with a pluggable micro-kernel and with an emphasis of performance over compatibility.	A widely adopted in-memory data grid
Primary database model	Document store Relational DBMS	Relational DBMS	Key-value store
Secondary database models			Document store JSON support with IMDG 3.12
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.55 Rank #232   Overall #35   Document stores #111   Relational DBMS		Score 10.38 Rank #48   Overall #6   Key-value stores
Website	alasql.org		hazelcast.com
Technical documentation	github.com/­agershun/­alasql		hazelcast.org/­imdg/­docs
Developer	Andrey Gershun & Mathias R. Wulff	Drizzle project, originally started by Brian Aker	Hazelcast
Initial release	2014	2008	2008
Current release		7.2.4, September 2012	5.1, March 2022
License Commercial or Open Source	Open Source MIT-License	Open Source GNU GPL	Open Source Apache Version 2; commercial licenses available
Cloud-based only Only available as a cloud service	no	no	no
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Implementation language	JavaScript	C++	Java
Server operating systems	server-less, requires a JavaScript environment (browser, Node.js)	FreeBSD Linux OS X	All OS with a Java VM
Data scheme	schema-free	yes	schema-free
Typing predefined data types such as float or date	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		yes the object must implement a serialization strategy
Secondary indexes	no	yes	yes
SQL Support of SQL	Close to SQL99, but no user access control, stored procedures and host language bindings.	yes with proprietary extensions	SQL-like query language
APIs and other access methods	JavaScript API	JDBC	JCache JPA Memcached protocol RESTful HTTP API
Supported programming languages	JavaScript	C C++ Java PHP	.Net C# C++ Clojure Go Java JavaScript (Node.js) Python Scala
Server-side scripts Stored procedures	no	no	yes Event Listeners, Executor Services
Triggers	yes	no hooks for callbacks inside the server can be used.	yes Events
Partitioning methods Methods for storing different data on different nodes	none	Sharding	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	none	Multi-source replication Source-replica replication	yes Replicated Map
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	yes
Consistency concepts Methods to ensure consistency in a distributed system	none		Immediate Consistency or Eventual Consistency selectable by user Raft Consensus Algorithm
Foreign keys Referential integrity	yes	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	yes only for local storage and DOM-storage	ACID	one or two-phase-commit; repeatable reads; read commited
Concurrency Support for concurrent manipulation of data		yes	yes
Durability Support for making data persistent	yes by using IndexedDB, SQL.JS or proprietary FileStorage	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes		yes
User concepts Access control	no	Pluggable authentication mechanisms e.g. LDAP, HTTP	Role-based access control
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	AlaSQL	Drizzle	Hazelcast
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