DBMS > Microsoft SQL Server vs. MySQL vs. RocksDB
System Properties Comparison Microsoft SQL Server vs. MySQL vs. RocksDB
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|Editorial information provided by DB-Engines|
|Name||Microsoft SQL Server Xexclude from comparison||MySQL Xexclude from comparison||RocksDB Xexclude from comparison|
|Description||Microsofts flagship relational DBMS||Widely used open source RDBMS||Embeddable persistent key-value store optimized for fast storage (flash and RAM)|
|Primary database model||Relational DBMS||Relational DBMS Key/Value like access via memcached API||Key-value store|
|Secondary database models||Document store|
|Developer||Microsoft||Oracle since 2010, originally MySQL AB, then Sun||Facebook, Inc.|
|Current release||SQL Server 2022, November 2022||8.0.33, April 2023||7.10.2, March 2023|
|License Commercial or Open Source||commercial restricted free version is available||Open Source GPL version 2. Commercial licenses with extended functionallity are available||Open Source BSD|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Implementation language||C++||C and C++||C++|
|Server operating systems||Linux|
|Typing predefined data types such as float or date||yes||yes||no|
|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||no|
|APIs and other access methods||ADO.NET|
Tabular Data Stream (TDS)
Proprietary native API
|Supported programming languages||C#|
|Server-side scripts Stored procedures||Transact SQL, .NET languages, R, Python and (with SQL Server 2019) Java||yes proprietary syntax||no|
|Partitioning methods Methods for storing different data on different nodes||tables can be distributed across several files (horizontal partitioning); sharding through federation||horizontal partitioning, sharding with MySQL Cluster or MySQL Fabric||horizontal partitioning|
|Replication methods Methods for redundantly storing data on multiple nodes||yes, but depending on the SQL-Server Edition||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|
|Foreign keys Referential integrity||yes||yes not for MyISAM storage engine||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID not for MyISAM storage engine||yes|
|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.||yes||yes||yes|
|User concepts Access control||fine grained access rights according to SQL-standard||Users with fine-grained authorization concept no user groups or roles||no|
More information provided by the system vendor
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|Related products and services|
|3rd parties||SQLFlow: Provides a visual representation of the overall flow of data. Automated SQL data lineage analysis across Databases, ETL, Business Intelligence, Cloud and Hadoop environments by parsing SQL Script and stored procedure.|
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|Speedb: A high performance RocksDB-compliant key-value store optimized for write-intensive workloads.|
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|Microsoft SQL Server||MySQL||RocksDB|
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