DBMS > EJDB vs. Microsoft Azure Synapse Analytics vs. Sadas Engine vs. WakandaDB

System Properties Comparison EJDB vs. Microsoft Azure Synapse Analytics vs. Sadas Engine vs. WakandaDB

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Editorial information provided by DB-Engines
Name	EJDB  Xexclude from comparison	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse  Xexclude from comparison	Sadas Engine  Xexclude from comparison	WakandaDB  Xexclude from comparison
Description	Embeddable document-store database library with JSON representation of queries (in MongoDB style)	Elastic, large scale data warehouse service leveraging the broad eco-system of SQL Server	SADAS Engine is a columnar DBMS specifically designed for high performance in data warehouse environments	WakandaDB is embedded in a server that provides a REST API and a server-side javascript engine to access data
Primary database model	Document store	Relational DBMS	Relational DBMS	Object oriented DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.31 Rank #296   Overall #44   Document stores	Score 19.93 Rank #31   Overall #19   Relational DBMS	Score 0.07 Rank #373   Overall #157   Relational DBMS	Score 0.10 Rank #356   Overall #17   Object oriented DBMS
Website	github.com/­Softmotions/­ejdb	azure.microsoft.com/­services/­synapse-analytics	www.sadasengine.com	wakanda.github.io
Technical documentation	github.com/­Softmotions/­ejdb/­blob/­master/­README.md	docs.microsoft.com/­azure/­synapse-analytics	www.sadasengine.com/­en/­sadas-engine-download-free-trial-and-documentation/­#documentation	wakanda.github.io/­doc
Developer	Softmotions	Microsoft	SADAS s.r.l.	Wakanda SAS
Initial release	2012	2016	2006	2012
Current release			8.0	2.7.0 (April 29, 2019), April 2019
License Commercial or Open Source	Open Source GPLv2	commercial	commercial free trial version available	Open Source AGPLv3, extended commercial license available
Cloud-based only Only available as a cloud service	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	C++	C++	C++, JavaScript
Server operating systems	server-less	hosted	AIX Linux Windows	Linux OS X Windows
Data scheme	schema-free	yes	yes	yes
Typing predefined data types such as float or date	yes string, integer, double, bool, date, object_id	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	no
Secondary indexes	no	yes	yes
SQL Support of SQL	no	yes	yes	no
APIs and other access methods	in-process shared library	ADO.NET JDBC ODBC	JDBC ODBC Proprietary protocol	RESTful HTTP API
Supported programming languages	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby	C# Java PHP	.Net C C# C++ Groovy Java PHP Python	JavaScript
Server-side scripts Stored procedures	no	Transact SQL	no	yes
Triggers	no	no	no	yes
Partitioning methods Methods for storing different data on different nodes	none	Sharding, horizontal partitioning	horizontal partitioning	none
Replication methods Methods for redundantly storing data on multiple nodes	none	yes	none	none
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system		Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no typically not needed, however similar functionality with collection joins possible	no docs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraints	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	ACID		ACID
Concurrency Support for concurrent manipulation of data	yes Read/Write Locking	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 managed by 'Learn by Usage'	no
User concepts Access control	no	yes	Access rights for users, groups and roles according to SQL-standard	yes
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More resources
	EJDB	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse	Sadas Engine	WakandaDB
Recent citations in the 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

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