DBMS > KairosDB vs. Microsoft Azure Synapse Analytics vs. SpaceTime vs. YottaDB

System Properties Comparison KairosDB vs. Microsoft Azure Synapse Analytics vs. SpaceTime vs. YottaDB

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Editorial information provided by DB-Engines
Name	KairosDB  Xexclude from comparison	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse  Xexclude from comparison	SpaceTime  Xexclude from comparison	YottaDB  Xexclude from comparison
Description	Distributed Time Series DBMS based on Cassandra or H2	Elastic, large scale data warehouse service leveraging the broad eco-system of SQL Server	SpaceTime is a spatio-temporal DBMS with a focus on performance.	A fast and solid embedded Key-value store
Primary database model	Time Series DBMS	Relational DBMS	Spatial DBMS	Key-value store
Secondary database models			Relational DBMS	Relational DBMS using the Octo plugin
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.67 Rank #233   Overall #20   Time Series DBMS	Score 19.93 Rank #31   Overall #19   Relational DBMS	Score 0.03 Rank #392   Overall #8   Spatial DBMS	Score 0.28 Rank #306   Overall #44   Key-value stores
Website	github.com/­kairosdb/­kairosdb	azure.microsoft.com/­services/­synapse-analytics	www.mireo.com/­spacetime	yottadb.com
Technical documentation	kairosdb.github.io	docs.microsoft.com/­azure/­synapse-analytics		yottadb.com/­resources/­documentation
Developer		Microsoft	Mireo	YottaDB, LLC
Initial release	2013	2016	2020	2001
Current release	1.2.2, November 2018
License Commercial or Open Source	Open Source Apache 2.0	commercial	commercial	Open Source AGPL 3.0
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	Java	C++	C++	C
Server operating systems	Linux OS X Windows	hosted	Linux	Docker Linux
Data scheme	schema-free	yes	yes	schema-free
Typing predefined data types such as float or date	yes	yes	yes	no
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	no	no
SQL Support of SQL	no	yes	A subset of ANSI SQL is implemented	by using the Octo plugin
APIs and other access methods	Graphite protocol HTTP REST Telnet API	ADO.NET JDBC ODBC	RESTful HTTP API	PostgreSQL wire protocol using the Octo plugin Proprietary protocol
Supported programming languages	Java JavaScript Node.js PHP Python	C# Java PHP	C# C++ Python	C Go JavaScript (Node.js) Lua M Perl Python Rust
Server-side scripts Stored procedures	no	Transact SQL	no
Triggers	no	no	no
Partitioning methods Methods for storing different data on different nodes	Sharding based on Cassandra	Sharding, horizontal partitioning	Fixed-grid hypercubes
Replication methods Methods for redundantly storing data on multiple nodes	selectable replication factor based on Cassandra	yes	Real-time block device replication (DRBD)	yes
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no docs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraints	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	ACID	no	optimistic locking
Concurrency Support for concurrent manipulation of data	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	simple password-based access control	yes	yes	Users and groups based on OS-security mechanisms
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More resources
	KairosDB	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse	SpaceTime	YottaDB
Recent citations in the news	Real-Time Performance and Health Monitoring Using Netdata 2 September 2019, CNX Software provided by Google News	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 Runtime for Apache Spark 3.2 End of Support | Azure updates 22 March 2024, Microsoft Azure Synapse vs. Databricks: Data Platform Comparison 2024 26 March 2024, eWeek Azure Synapse Link for Cosmos DB: New Analytics Capabilities 10 November 2023, InfoQ.com provided by Google News

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