DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. InfinityDB vs. Microsoft Azure Data Explorer vs. VelocityDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. InfinityDB vs. Microsoft Azure Data Explorer vs. VelocityDB

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Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	InfinityDB  Xexclude from comparison	Microsoft Azure Data Explorer  Xexclude from comparison	VelocityDB  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	A Java embedded Key-Value Store which extends the Java Map interface	Fully managed big data interactive analytics platform	A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database model	Relational DBMS	Key-value store	Relational DBMS column oriented	Graph DBMS 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 0.08 Rank #365   Overall #55   Key-value stores	Score 3.80 Rank #81   Overall #43   Relational DBMS	Score 0.11 Rank #354   Overall #37   Graph DBMS #15   Object oriented DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	boilerbay.com	azure.microsoft.com/­services/­data-explorer	velocitydb.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	boilerbay.com/­infinitydb/­manual	docs.microsoft.com/­en-us/­azure/­data-explorer	velocitydb.com/­UserGuide
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Boiler Bay Inc.	Microsoft	VelocityDB Inc
Initial release	2016	2002	2019	2011
Current release		4.0	cloud service with continuous releases	7.x
License Commercial or Open Source	commercial	commercial	commercial	commercial
Cloud-based only Only available as a cloud service	yes	no	yes	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		Java		C#
Server operating systems	hosted	All OS with a Java VM	hosted	Any that supports .NET
Data scheme	yes	yes nested virtual Java Maps, multi-value, logical ‘tuple space’ runtime Schema upgrade	Fixed schema with schema-less datatypes (dynamic)	yes
Typing predefined data types such as float or date	yes	yes all Java primitives, Date, CLOB, BLOB, huge sparse arrays	yes bool, datetime, dynamic, guid, int, long, real, string, timespan, double: docs.microsoft.com/­en-us/­azure/­kusto/­query/­scalar-data-types	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	no	yes	no
Secondary indexes	yes	no manual creation possible, using inversions based on multi-value capability	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	Access via java.util.concurrent.ConcurrentNavigableMap Interface Proprietary API to InfinityDB ItemSpace (boilerbay.com/­docs/­ItemSpaceDataStructures.htm)	Microsoft SQL Server communication protocol (MS-TDS) RESTful HTTP API	.Net
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	no
Triggers	yes	no	yes see docs.microsoft.com/­en-us/­azure/­kusto/­management/­updatepolicy	Callbacks are triggered when data changes
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	Sharding
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. Replication either local, cross-facility or geo-redundant.
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 READ-COMMITTED or SERIALIZED	Eventual Consistency Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	no manual creation possible, using inversions based on multi-value capability	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	ACID Optimistic locking for transactions; no isolation for bulk loads	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	no	yes
User concepts Access control	fine grained access rights according to SQL-standard	no	Azure Active Directory Authentication	Based on Windows Authentication
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	InfinityDB	Microsoft Azure Data Explorer	VelocityDB
Recent citations in the news	Alibaba Cloud upgrades AnalyticDB with vector database engine 25 July 2023, CloudTech 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 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) 20 February 2024, Microsoft Public Preview: Azure Data Explorer connector for Apache Flink 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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