DBMS > Adabas vs. Microsoft Azure Search vs. TDengine vs. Yaacomo

System Properties Comparison Adabas vs. Microsoft Azure Search vs. TDengine vs. Yaacomo

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Editorial information provided by DB-Engines
Name	Adabas denotes "adaptable data base"  Xexclude from comparison	Microsoft Azure Search  Xexclude from comparison	TDengine  Xexclude from comparison	Yaacomo  Xexclude from comparison
Description	OLTP - DBMS for mainframes and Linux/Unix/Windows environments used typically together with the Natural programming platform	Search-as-a-service for web and mobile app development	Time Series DBMS and big data platform	OpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database model	Multivalue DBMS	Search engine	Time Series DBMS	Relational DBMS
Secondary database models			Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 4.89 Rank #79   Overall #1   Multivalue DBMS	Score 7.61 Rank #58   Overall #6   Search engines	Score 0.96 Rank #179   Overall #14   Time Series DBMS	Score 0.01 Rank #356   Overall #155   Relational DBMS
Website	www.softwareag.com/­en_corporate/­platform/­adabas-natural.html	azure.microsoft.com/­en-us/­services/­search	github.com/­taosdata/­TDengine tdengine.com	yaacomo.com
Technical documentation		docs.microsoft.com/­en-us/­azure/­search	www.taosdata.com/­en/­documentation
Developer	Software AG	Microsoft	Taos Data	Q2WEB GmbH
Initial release	1971	2015	2019	2009
Current release		V1
License Commercial or Open Source	commercial	commercial	Open Source GPL V3, also commercial editions available	commercial
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
Server operating systems	BS2000 Linux Unix Windows z/OS z/VSE	hosted	Linux	Android Linux Windows
Data scheme	yes	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	yes	yes	no	yes
SQL Support of SQL	yes with add-on product Adabas SQL Gateway	no	SQL-like query language	yes
APIs and other access methods	HTTP API with add-on software Adabas SOA Gateway SOAP-based API with add-on software Adabas SOA Gateway	RESTful HTTP API	JDBC RESTful HTTP API	JDBC ODBC
Supported programming languages	Natural	.Net C#	.Net C C++ Go Java JavaScript (Node.js) Lua Python Rust
Server-side scripts Stored procedures	in Natural	no	no
Triggers	no	no	yes, via alarm monitoring	yes
Partitioning methods Methods for storing different data on different nodes	yes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas Vista	Sharding Implicit feature of the cloud service	Sharding	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes, with add-on product Event Replicator	yes Implicit feature of the cloud service	yes	Source-replica replication
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	Immediate Consistency		Immediate Consistency
Foreign keys Referential integrity	no	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no		ACID
Concurrency Support for concurrent manipulation of data	yes	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.	no	no		yes
User concepts Access control	only with OS-specific tools (e.g. IBM RACF, CA Top Secret)	yes using Azure authentication	yes	fine grained access rights according to SQL-standard
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More resources
	Adabas denotes "adaptable data base"	Microsoft Azure Search	TDengine	Yaacomo
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