DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. MySQL vs. openGauss
System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. MySQL vs. openGauss
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|Editorial information provided by DB-Engines|
|Name||Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB Xexclude from comparison||MySQL Xexclude from comparison||openGauss Xexclude from comparison|
|Description||An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum||Widely used open source RDBMS||An enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by Huawei|
|Primary database model||Relational DBMS||Relational DBMS Key/Value like access via memcached API||Relational DBMS|
|Secondary database models||Document store|
|Developer||Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group||Oracle since 2010, originally MySQL AB, then Sun||Huawei and openGauss community|
|Current release||8.1.0, July 2023||3.0, March 2022|
|License Commercial or Open Source||commercial||Open Source GPL version 2. Commercial licenses with extended functionallity are available||Open Source|
|Cloud-based only Only available as a cloud service||yes||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Implementation language||C and C++||C, C++, Java|
|Server operating systems||hosted||FreeBSD|
|Typing predefined data types such as float or date||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.||yes||yes||no|
|SQL Support of SQL||yes||yes with proprietary extensions||ANSI SQL 2011|
|APIs and other access methods||JDBC|
Proprietary native API
|Supported programming languages||C|
|Server-side scripts Stored procedures||yes||yes proprietary syntax||yes|
|Partitioning methods Methods for storing different data on different nodes||Sharding Implicit feature of the cloud service||horizontal partitioning, sharding with MySQL Cluster or MySQL Fabric||horizontal partitioning (by range, list and hash)|
|Replication methods Methods for redundantly storing data on multiple nodes||yes Implicit feature of the cloud service||Multi-source 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||yes||yes not for MyISAM storage engine||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID not for MyISAM storage engine||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes table locks or row locks depending on storage engine||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||yes||no|
|User concepts Access control||fine grained access rights according to SQL-standard||Users with fine-grained authorization concept no user groups or roles||Access rights for users, groups and roles according to SQL-standard|
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|Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB||MySQL||openGauss|
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