DBMS > Microsoft Azure Data Explorer vs. Postgres-XL vs. SwayDB vs. Transwarp ArgoDB

System Properties Comparison Microsoft Azure Data Explorer vs. Postgres-XL vs. SwayDB vs. Transwarp ArgoDB

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Editorial information provided by DB-Engines
Name	Microsoft Azure Data Explorer  Xexclude from comparison	Postgres-XL  Xexclude from comparison	SwayDB  Xexclude from comparison	Transwarp ArgoDB  Xexclude from comparison
Description	Fully managed big data interactive analytics platform	Based on PostgreSQL enhanced with MPP and write-scale-out cluster features	An embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storage	Distributed Analytical Database to replace Hadoop+MPP hybrid architecture
Primary database model	Relational DBMS column oriented	Relational DBMS	Key-value store	Relational DBMS
Secondary database models	Document store If a column is of type dynamic docs.microsoft.com/­en-us/­azure/­kusto/­query/­scalar-data-types/­dynamic then it's possible to add arbitrary JSON documents in this cell Event Store this is the general usage pattern at Microsoft. Billing, Logs, Telemetry events are stored in ADX and the state of an individual entity is defined by the arg_max(timestamps) Spatial DBMS Search engine support for complex search expressions docs.microsoft.com/­en-us/­azure/­kusto/­query/­parseoperator FTS, Geospatial docs.microsoft.com/­en-us/­azure/­kusto/­query/­geo-point-to-geohash-function distributed search -> ADX acts as a distributed search engine Time Series DBMS see docs.microsoft.com/­en-us/­azure/­data-explorer/­time-series-analysis	Document store Spatial DBMS		Search engine
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 3.80 Rank #81   Overall #43   Relational DBMS	Score 0.53 Rank #254   Overall #117   Relational DBMS	Score 0.04 Rank #387   Overall #61   Key-value stores	Score 0.12 Rank #348   Overall #151   Relational DBMS
Website	azure.microsoft.com/­services/­data-explorer	www.postgres-xl.org	swaydb.simer.au	www.transwarp.cn/­en/­product/­argodb
Technical documentation	docs.microsoft.com/­en-us/­azure/­data-explorer	www.postgres-xl.org/­documentation		docs.transwarp.cn/­#/­documents-support/­docs?category=ARGODB
Developer	Microsoft		Simer Plaha	Transwarp
Initial release	2019	2014 since 2012, originally named StormDB	2018
Current release	cloud service with continuous releases	10 R1, October 2018
License Commercial or Open Source	commercial	Open Source Mozilla public license	Open Source GNU Affero GPL V3.0	commercial
Cloud-based only Only available as a cloud service	yes	no	no	no
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Implementation language		C	Scala
Server operating systems	hosted	Linux macOS
Data scheme	Fixed schema with schema-less datatypes (dynamic)	yes	schema-free	yes
Typing predefined data types such as float or date	yes bool, datetime, dynamic, guid, int, long, real, string, timespan, double: docs.microsoft.com/­en-us/­azure/­kusto/­query/­scalar-data-types	yes	no	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	yes XML type, but no XML query functionality	no
Secondary indexes	all fields are automatically indexed	yes	no	yes
SQL Support of SQL	Kusto Query Language (KQL), SQL subset	yes distributed, parallel query execution	no	yes
APIs and other access methods	Microsoft SQL Server communication protocol (MS-TDS) RESTful HTTP API	ADO.NET JDBC native C library ODBC streaming API for large objects
Supported programming languages	.Net Go Java JavaScript (Node.js) PowerShell Python R	.Net C C++ Delphi Erlang Java JavaScript (Node.js) Perl PHP Python Tcl	Java Kotlin Scala
Server-side scripts Stored procedures	Yes, possible languages: KQL, Python, R	user defined functions	no
Triggers	yes see docs.microsoft.com/­en-us/­azure/­kusto/­management/­updatepolicy	yes	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	horizontal partitioning	none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service. Replication either local, cross-facility or geo-redundant.		none
MapReduce Offers an API for user-defined Map/Reduce methods	Spark connector (open source): github.com/­Azure/­azure-kusto-spark	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	ACID MVCC	Atomic execution of operations
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	Azure Active Directory Authentication	fine grained access rights according to SQL-standard	no
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More resources
	Microsoft Azure Data Explorer	Postgres-XL	SwayDB	Transwarp ArgoDB
Recent citations in the news	We’re retiring Azure Time Series Insights on 7 July 2024 – transition to Azure Data Explorer | Azure updates 31 May 2024, Microsoft Update records in a Kusto Database (public preview) | Azure updates 20 February 2024, Microsoft Public Preview: Azure Data Explorer connector for Apache Flink | Azure updates 8 January 2024, Microsoft Announcing General Availability to migrate Virtual Network injected Azure Data Explorer Cluster to Private Endpoints ... 5 February 2024, Microsoft Migration of Azure Virtual Network injected Azure Data Explorer cluster to Private Endpoints | Azure updates 4 December 2023, Microsoft provided by Google News

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