DBMS > Microsoft SQL Server vs. Postgres-XL
System Properties Comparison Microsoft SQL Server vs. Postgres-XL
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|Editorial information provided by DB-Engines|
|Name||Microsoft SQL Server Xexclude from comparison||Postgres-XL Xexclude from comparison|
|Description||Microsofts relational DBMS||Based on PostgreSQL enhanced with MPP and write-scale-out cluster features|
|Primary database model||Relational DBMS||Relational DBMS|
|Secondary database models||Document store|
|Initial release||1989||2014 since 2012, originally named StormDB|
|Current release||SQL Server 2017, October 2017||10 R1, October 2018|
|License Commercial or Open Source||commercial restricted free version is available||Open Source Mozilla public license|
|Cloud-based only Only available as a cloud service||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||Linux|
|Typing predefined data types such as float or date||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 XML type, but no XML query functionality|
|SQL Support of SQL||yes||yes distributed, parallel query execution|
|APIs and other access methods||OLE DB|
Tabular Data Stream (TDS)
|native C library|
streaming API for large objects
|Supported programming languages||C#|
|Server-side scripts Stored procedures||Transact SQL, .NET languages, R, Python and (with SQL Server 2019) Java||user defined functions|
|Partitioning methods Methods for storing different data on different nodes||tables can be distributed across several files (horizontal partitioning); sharding through federation||horizontal partitioning|
|Replication methods Methods for redundantly storing data on multiple nodes||yes, but depending on the SQL-Server Edition|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID MVCC|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||no|
|User concepts Access control||fine grained access rights according to SQL-standard||fine grained access rights according to SQL-standard|
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|Related products and services|
|3rd parties||Dremio is like magic for SQL Server accelerating your analytical queries up to 1,000x.|
General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
Navicat for SQL Server gives you a fully graphical approach to database management and development.
ERBuilder provides all the features you would expect from a professional database modeling and design tool.
DBHawk is a web-based data management Tool for a SQL Server database.
Navicat Monitor is a safe, simple and agentless remote server monitoring tool for SQL Server and many other database management systems.
SQLPro for MSSQL: A simple but powerful Microsoft SQL Server database client available on iPhone and iPad as well as macOS.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|Microsoft SQL Server||Postgres-XL|
|DB-Engines blog posts|
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|Conferences and events|
PASS Summit 2019
|Recent citations in the news|
Why SQL Server 2008's End of Life Should Be on Feds' Minds
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