DBMS > Atos Standard Common Repository vs. H2 vs. Lovefield vs. Microsoft Azure SQL Database

System Properties Comparison Atos Standard Common Repository vs. H2 vs. Lovefield vs. Microsoft Azure SQL Database

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	H2  Xexclude from comparison	Lovefield  Xexclude from comparison	Microsoft Azure SQL Database formerly SQL Azure  Xexclude from comparison
	This system has been discontinued and will be removed from the DB-Engines ranking.
Description	Highly scalable database system, designed for managing session and subscriber data in modern mobile communication networks	Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.	Embeddable relational database for web apps written in pure JavaScript	Database as a Service offering with high compatibility to Microsoft SQL Server
Primary database model	Document store Key-value store	Relational DBMS	Relational DBMS	Relational DBMS
Secondary database models		Spatial DBMS		Document store Graph DBMS Spatial DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 8.33 Rank #46   Overall #30   Relational DBMS	Score 0.33 Rank #286   Overall #131   Relational DBMS	Score 76.78 Rank #16   Overall #11   Relational DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	www.h2database.com	google.github.io/­lovefield	azure.microsoft.com/­en-us/­products/­azure-sql/­database
Technical documentation		www.h2database.com/­html/­main.html	github.com/­google/­lovefield/­blob/­master/­docs/­spec_index.md	docs.microsoft.com/­en-us/­azure/­azure-sql
Developer	Atos Convergence Creators	Thomas Mueller	Google	Microsoft
Initial release	2016	2005	2014	2010
Current release	1703	2.2.220, July 2023	2.1.12, February 2017	V12
License Commercial or Open Source	commercial	Open Source dual-licence (Mozilla public license, Eclipse public license)	Open Source Apache 2.0	commercial
Cloud-based only Only available as a cloud service	no	no	no	yes
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	Java	Java	JavaScript	C++
Server operating systems	Linux	All OS with a Java VM	server-less, requires a JavaScript environment (browser, Node.js) tested with Chrome, Firefox, IE, Safari	hosted
Data scheme	Schema and schema-less with LDAP views	yes	yes	yes
Typing predefined data types such as float or date	optional	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.	yes	no	no	yes
Secondary indexes	yes	yes	yes	yes
SQL Support of SQL	no	yes	SQL-like query language via JavaScript builder pattern	yes
APIs and other access methods	LDAP	JDBC ODBC		ADO.NET JDBC ODBC
Supported programming languages	All languages with LDAP bindings	Java	JavaScript	.Net C# Java JavaScript (Node.js) PHP Python Ruby
Server-side scripts Stored procedures	no	Java Stored Procedures and User-Defined Functions	no	Transact SQL
Triggers	yes	yes	Using read-only observers	yes
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	none	none
Replication methods Methods for redundantly storing data on multiple nodes	yes	With clustering: 2 database servers on different computers operate on identical copies of a database	none	yes, with always 3 replicas available
MapReduce Offers an API for user-defined Map/Reduce methods		no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency or Eventual Consistency depending on configuration	Immediate Consistency		Immediate Consistency
Foreign keys Referential integrity	no	yes	yes	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations	ACID	ACID	ACID
Concurrency Support for concurrent manipulation of data	yes	yes, multi-version concurrency control (MVCC)	yes	yes
Durability Support for making data persistent	yes	yes	yes, by using IndexedDB or the cloud service Firebase Realtime Database	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	yes	yes using MemoryDB
User concepts Access control	LDAP bind authentication	fine grained access rights according to SQL-standard	no	fine grained access rights according to SQL-standard
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More resources
	Atos Standard Common Repository	H2	Lovefield	Microsoft Azure SQL Database formerly SQL Azure
DB-Engines blog posts				PostgreSQL is the DBMS of the Year 2020 4 January 2021, Paul Andlinger, Matthias Gelbmann Cloud-based DBMS's popularity grows at high rates 12 December 2019, Paul Andlinger The popularity of cloud-based DBMSs has increased tenfold in four years 7 February 2017, Matthias Gelbmann show all
Recent citations in the news				Copilot in Azure SQL Database in Private Preview 27 March 2024, InfoQ.com Microsoft unveils Copilot for Azure SQL Database 27 March 2024, InfoWorld Azure SQL Database migration to OCI - resources estimation and migration approach 11 January 2024, blogs.oracle.com Expand the limits of innovation with Azure data 21 March 2024, Microsoft Why migrate Windows Server and SQL Server to Azure: ROI, innovation, and free offers 25 April 2024, Microsoft provided by Google News

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