DBMS > Atos Standard Common Repository vs. chDB vs. Microsoft Azure AI Search vs. SpaceTime

System Properties Comparison Atos Standard Common Repository vs. chDB vs. Microsoft Azure AI Search vs. SpaceTime

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	chDB  Xexclude from comparison	Microsoft Azure AI Search  Xexclude from comparison	SpaceTime  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	An embedded SQL OLAP Engine powered by ClickHouse	Search-as-a-service for web and mobile app development	SpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database model	Document store Key-value store	Relational DBMS	Search engine	Spatial DBMS
Secondary database models		Time Series DBMS	Vector DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 0.07 Rank #376   Overall #158   Relational DBMS	Score 5.52 Rank #59   Overall #6   Search engines	Score 0.03 Rank #392   Overall #8   Spatial DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	github.com/­chdb-io/­chdb	azure.microsoft.com/­en-us/­services/­search	www.mireo.com/­spacetime
Technical documentation		doc.chdb.io	learn.microsoft.com/­en-us/­azure/­search
Developer	Atos Convergence Creators		Microsoft	Mireo
Initial release	2016	2023	2015	2020
Current release	1703		V1
License Commercial or Open Source	commercial	Open Source Apache Version 2.0	commercial	commercial
Cloud-based only Only available as a cloud service	no	no	yes	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	Java			C++
Server operating systems	Linux	server-less	hosted	Linux
Data scheme	Schema and schema-less with LDAP views		yes	yes
Typing predefined data types such as float or date	optional		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
Secondary indexes	yes		yes	no
SQL Support of SQL	no	Close to ANSI SQL (SQL/JSON + extensions)	no	A subset of ANSI SQL is implemented
APIs and other access methods	LDAP		RESTful HTTP API	RESTful HTTP API
Supported programming languages	All languages with LDAP bindings	Bun C C++ Go JavaScript (Node.js) Python Rust	C# Java JavaScript Python	C# C++ Python
Server-side scripts Stored procedures	no		no	no
Triggers	yes		no	no
Partitioning methods Methods for storing different data on different nodes	Sharding cell division		Sharding Implicit feature of the cloud service	Fixed-grid hypercubes
Replication methods Methods for redundantly storing data on multiple nodes	yes		yes Implicit feature of the cloud service	Real-time block device replication (DRBD)
MapReduce Offers an API for user-defined Map/Reduce methods			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		no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations		no	no
Concurrency Support for concurrent manipulation of data	yes		yes	yes
Durability Support for making data persistent	yes		yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes		no	no
User concepts Access control	LDAP bind authentication		yes using Azure authentication	yes
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More resources
	Atos Standard Common Repository	chDB	Microsoft Azure AI Search	SpaceTime
Recent citations in the news			Announcing updates to Azure AI Search to help organizations build and scale generative AI applications 4 April 2024, Microsoft Microsoft and ServiceNow at Knowledge 2024: Introducing generative AI innovation 13 June 2024, Microsoft Azure OpenAI Service: Transforming legal practices with generative AI solutions 12 June 2024, Microsoft Public Preview of Azure OpenAI and AI Search in-app connectors for Logic Apps (Standard) | Azure updates 2 April 2024, Microsoft Raise the bar on AI-powered app development with Azure Database for PostgreSQL 5 June 2024, Microsoft provided by Google News

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