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DBMS > Microsoft SQL Server vs. openGemini vs. Oracle Rdb

System Properties Comparison Microsoft SQL Server vs. openGemini vs. Oracle Rdb

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Editorial information provided by DB-Engines
NameMicrosoft SQL Server  Xexclude from comparisonopenGemini  Xexclude from comparisonOracle Rdb  Xexclude from comparison
DescriptionMicrosofts flagship relational DBMSAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalability
Primary database modelRelational DBMSTime Series DBMSRelational DBMS
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score805.69
Rank#3  Overall
#3  Relational DBMS
Score0.02
Rank#376  Overall
#42  Time Series DBMS
Score1.02
Rank#183  Overall
#85  Relational DBMS
Websitewww.microsoft.com/­en-us/­sql-serverwww.opengemini.org
github.com/­openGemini
www.oracle.com/­database/­technologies/­related/­rdb.html
Technical documentationlearn.microsoft.com/­en-US/­sql/­sql-serverdocs.opengemini.org/­guidewww.oracle.com/­database/­technologies/­related/­rdb-doc.html
DeveloperMicrosoftHuawei and openGemini communityOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release198920221984
Current releaseSQL Server 2022, November 20221.1, July 20237.4.1.1, 2021
License infoCommercial or Open Sourcecommercial inforestricted free version is availableOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
SQLServer Flex @ STACKIT offers a managed version of SQL Server with adjustable CPU, RAM, storage amount and speed, in enterprise grade to perfectly match all application requirements. All services are 100% GDPR-compliant.
Implementation languageC++Go
Server operating systemsLinux
Windows
Linux
Windows
HP Open VMS
Data schemeyesschema-freeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesInteger, Float, Boolean, Stringyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.yesnono
Secondary indexesyesyesyes
SQL infoSupport of SQLyesSQL-like query languageyes
APIs and other access methodsADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
HTTP REST
Supported programming languagesC#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Javano
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodestables can be distributed across several files (horizontal partitioning); sharding through federationSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, but depending on the SQL-Server Editionyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardAdministrators and common users accounts

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More resources
Microsoft SQL ServeropenGeminiOracle Rdb
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