DBMS > Alibaba Cloud Table Store vs. Lovefield vs. Microsoft Azure AI Search vs. Transwarp StellarDB vs. Yaacomo

System Properties Comparison Alibaba Cloud Table Store vs. Lovefield vs. Microsoft Azure AI Search vs. Transwarp StellarDB vs. Yaacomo

Editorial information provided by DB-Engines
Name	Alibaba Cloud Table Store  Xexclude from comparison	Lovefield  Xexclude from comparison	Microsoft Azure AI Search  Xexclude from comparison	Transwarp StellarDB  Xexclude from comparison	Yaacomo  Xexclude from comparison
					Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
Description	A fully managed Wide Column Store for large quantities of semi-structured data with real-time access	Embeddable relational database for web apps written in pure JavaScript	Search-as-a-service for web and mobile app development	A distributed graph DBMS built for enterprise-level graph applications	OpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database model	Wide column store	Relational DBMS	Search engine	Graph DBMS	Relational DBMS
Secondary database models			Vector DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.31 Rank #297   Overall #11   Wide column stores	Score 0.33 Rank #286   Overall #131   Relational DBMS	Score 5.52 Rank #59   Overall #6   Search engines	Score 0.07 Rank #371   Overall #39   Graph DBMS
Website	www.alibabacloud.com/­product/­table-store	google.github.io/­lovefield	azure.microsoft.com/­en-us/­services/­search	www.transwarp.cn/­en/­product/­stellardb	yaacomo.com
Technical documentation	www.alibabacloud.com/­help/­en/­tablestore	github.com/­google/­lovefield/­blob/­master/­docs/­spec_index.md	learn.microsoft.com/­en-us/­azure/­search
Developer	Alibaba	Google	Microsoft	Transwarp	Q2WEB GmbH
Initial release	2016	2014	2015		2009
Current release		2.1.12, February 2017	V1
License Commercial or Open Source	commercial	Open Source Apache 2.0	commercial	commercial	commercial
Cloud-based only Only available as a cloud service	yes	no	yes	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		JavaScript
Server operating systems	hosted	server-less, requires a JavaScript environment (browser, Node.js) tested with Chrome, Firefox, IE, Safari	hosted		Android Linux Windows
Data scheme	schema-free	yes	yes		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	no		no
Secondary indexes	no	yes	yes		yes
SQL Support of SQL	no	SQL-like query language via JavaScript builder pattern	no	SQL-like query language	yes
APIs and other access methods	HTTP API		RESTful HTTP API	OpenCypher	JDBC ODBC
Supported programming languages	Java Python	JavaScript	C# Java JavaScript Python
Server-side scripts Stored procedures	no	no	no
Triggers	no	Using read-only observers	no		yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	none	Sharding Implicit feature of the cloud service	horizontal partitioning	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	none	yes Implicit feature of the cloud service		Source-replica replication
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	yes	no		yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic single-row operations	ACID	no		ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes, by using IndexedDB or the cloud service Firebase Realtime Database	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	yes using MemoryDB	no		yes
User concepts Access control	Access rights based on subaccounts and tokens	no	yes using Azure authentication	yes	fine grained access rights according to SQL-standard
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More resources
	Alibaba Cloud Table Store	Lovefield	Microsoft Azure AI Search	Transwarp StellarDB	Yaacomo
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