DBMS > MySQL vs. Oracle Rdb vs. YDB
System Properties Comparison MySQL vs. Oracle Rdb vs. YDB
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|Editorial information provided by DB-Engines|
|Name||MySQL Xexclude from comparison||Oracle Rdb Xexclude from comparison||YDB Xexclude from comparison|
|Description||Widely used open source RDBMS||A distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API|
|Primary database model||Relational DBMS Key/Value like access via memcached API||Relational DBMS||Document store|
|Secondary database models||Document store|
|Developer||Oracle since 2010, originally MySQL AB, then Sun||Oracle, originally developed by Digital Equipment Corporation (DEC)||Yandex|
|Current release||8.1.0, July 2023||184.108.40.206, 2021|
|License Commercial or Open Source||Open Source GPL version 2. Commercial licenses with extended functionallity are available||commercial||Open Source Apache 2.0; commercial license available|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|PlanetScale: Deploy a fully managed database with the reliability of MySQL and the scale of open source Vitess with PlanetScale today. Predictably scale, increase workflow velocity, and deploy features with zero downtime.|
|Implementation language||C and C++|
|Server operating systems||FreeBSD|
|HP Open VMS||Linux|
|Data scheme||yes||Flexible Schema (defined schema, partial schema, schema free)||Flexible Schema (defined schema, partial schema, schema free)|
|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||no||no|
|SQL Support of SQL||yes with proprietary extensions||yes||SQL-like query language (YQL)|
|APIs and other access methods||ADO.NET|
Proprietary native API
|RESTful HTTP API (DynamoDB compatible)|
|Supported programming languages||Ada|
|Server-side scripts Stored procedures||yes proprietary syntax||no|
|Partitioning methods Methods for storing different data on different nodes||horizontal partitioning, sharding with MySQL Cluster or MySQL Fabric||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||Multi-source replication|
|Active-passive shard 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 not for MyISAM storage engine||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID not for MyISAM storage engine||yes, on a single node||ACID|
|Concurrency Support for concurrent manipulation of data||yes table locks or row locks depending on storage engine||yes||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.||yes||no||no|
|User concepts Access control||Users with fine-grained authorization concept no user groups or roles||Access rights defined for Yandex Cloud users|
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|Related products and services|
|3rd parties||Navicat Monitor is a safe, simple and agentless remote server monitoring tool for MySQL and many other database management systems.|
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