DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Alibaba Cloud TSDB vs. Microsoft Azure Data Explorer vs. OrigoDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Alibaba Cloud TSDB vs. Microsoft Azure Data Explorer vs. OrigoDB

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Alibaba Cloud TSDB  Xexclude from comparison	Microsoft Azure Data Explorer  Xexclude from comparison	OrigoDB  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	A stable, reliable, and cost-effective online high-performance time series database service	Fully managed big data interactive analytics platform	A fully ACID in-memory object graph database
Primary database model	Relational DBMS	Time Series DBMS	Relational DBMS column oriented	Document store Object oriented 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
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.29 Rank #301   Overall #26   Time Series DBMS	Score 3.80 Rank #81   Overall #43   Relational DBMS	Score 0.06 Rank #380   Overall #50   Document stores #18   Object oriented DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	www.alibabacloud.com/­product/­hitsdb	azure.microsoft.com/­services/­data-explorer	origodb.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb	docs.microsoft.com/­en-us/­azure/­data-explorer	origodb.com/­docs
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Alibaba	Microsoft	Robert Friberg et al
Initial release	2016		2019	2009 under the name LiveDB
Current release			cloud service with continuous releases
License Commercial or Open Source	commercial	commercial	commercial	Open Source
Cloud-based only Only available as a cloud service	yes	yes	yes	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	hosted	hosted	hosted	Linux Windows
Data scheme	yes	schema-free	Fixed schema with schema-less datatypes (dynamic)	yes
Typing predefined data types such as float or date	yes	Numeric data and Strings	yes bool, datetime, dynamic, guid, int, long, real, string, timespan, double: docs.microsoft.com/­en-us/­azure/­kusto/­query/­scalar-data-types	User defined using .NET types and collections
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	yes	no can be achieved using .NET
Secondary indexes	yes	no	all fields are automatically indexed	yes
SQL Support of SQL	yes	no	Kusto Query Language (KQL), SQL subset	no
APIs and other access methods	JDBC ODBC	HTTP REST	Microsoft SQL Server communication protocol (MS-TDS) RESTful HTTP API	.NET Client API HTTP API LINQ
Supported programming languages	C Java Perl Python R	Java	.Net Go Java JavaScript (Node.js) PowerShell Python R	.Net
Server-side scripts Stored procedures	yes	no	Yes, possible languages: KQL, Python, R	yes
Triggers	yes	no	yes see docs.microsoft.com/­en-us/­azure/­kusto/­management/­updatepolicy	yes Domain Events
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service		Sharding Implicit feature of the cloud service	horizontal partitioning client side managed; servers are not synchronized
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service		yes Implicit feature of the cloud service. Replication either local, cross-facility or geo-redundant.	Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	Spark connector (open source): github.com/­Azure/­azure-kusto-spark	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency	Eventual Consistency Immediate Consistency
Foreign keys Referential integrity	yes	no	no	depending on model
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	no	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes Write ahead log
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	no	no	yes
User concepts Access control	fine grained access rights according to SQL-standard	Access managed on TSDB instance level	Azure Active Directory Authentication	Role based authorization
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Alibaba Cloud TSDB	Microsoft Azure Data Explorer	OrigoDB
Recent citations in the news	Two Critical Flaws Found in Alibaba Cloud's PostgreSQL Databases 20 April 2023, The Hacker News Accidental ‘write’ Permissions In Alibaba PostgreSQL Let Attackers Access Sensitive Data 22 April 2023, GBHackers Two critical vulnerabilities spotted in Alibaba Cloud's PostgreSQL databases 21 April 2023, TEISS Alibaba Cloud to spur AI innovation with upcoming Singapore hackathon in March | KrASIA 21 February 2024, KrASIA How Data Analytics Capabilities of Alibaba Group Evolve Its Ecosystem to the Cloud 20 February 2021, DataDrivenInvestor provided by Google 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 New Features for graph-match KQL Operator: Enhanced Pattern Matching and Cycle Control | Azure updates 24 January 2024, Microsoft provided by Google News

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