DBMS > Microsoft Azure Cosmos DB vs. Microsoft SQL Server vs. Sadas Engine
System Properties Comparison Microsoft Azure Cosmos DB vs. Microsoft SQL Server vs. Sadas Engine
Please select another system to include it in the comparison.
|Editorial information provided by DB-Engines|
|Name||Microsoft Azure Cosmos DB former name was Azure DocumentDB Xexclude from comparison||Microsoft SQL Server Xexclude from comparison||Sadas Engine Xexclude from comparison|
|Description||Globally distributed, horizontally scalable, multi-model database service||Microsofts flagship relational DBMS||SADAS Engine is a columnar DBMS specifically designed for high performance in Data warehouse environments|
|Primary database model||Document store|
Wide column store
|Relational DBMS||Relational DBMS|
|Secondary database models||Spatial DBMS||Document store|
|Current release||SQL Server 2019, November 2019||8.0|
|License Commercial or Open Source||commercial||commercial restricted free version is available||commercial free trial version available|
|Cloud-based only Only available as a cloud service||yes||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|Server operating systems||hosted||Linux|
|Typing predefined data types such as float or date||yes JSON types||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|
|Secondary indexes||yes All properties auto-indexed by default||yes||yes|
|SQL Support of SQL||SQL-like query language||yes||yes|
|APIs and other access methods||DocumentDB API|
Graph API (Gremlin)
RESTful HTTP API
Tabular Data Stream (TDS)
|Supported programming languages||.Net|
MongoDB client drivers written for various programming languages
|Partitioning methods Methods for storing different data on different nodes||Sharding Implicit feature of the cloud service||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 Implicit feature of the cloud service||yes, but depending on the SQL-Server Edition||none|
|MapReduce Offers an API for user-defined Map/Reduce methods||with Hadoop integration Integration with Hadoop/HDInsight on Azure*||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Bounded Staleness|
Immediate Consistency Consistency level configurable on request level
|Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||yes||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||Multi-item ACID transactions with snapshot isolation within a partition||ACID|
|Concurrency Support for concurrent manipulation of data||yes||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||yes managed by 'Learn by Usage'|
|User concepts Access control||Access rights can be defined down to the item level||fine grained access rights according to SQL-standard||Access rights for users, groups and roles according to SQL-standard|
More information provided by the system vendor
We invite representatives of system vendors to contact us for updating and extending the system information,
|Related products and services|
|3rd parties||CData: Connect to Big Data & NoSQL through standard Drivers.|
|SQL Complete: An advanced IntelliSense-style code completion add-in for SSMS and Visual Studio. Write, beautify, refactor your SQL code and give your productivity a dramatic boost.|
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.
Navicat Monitor is a safe, simple and agentless remote server monitoring tool for SQL Server and many other database management systems.
Navicat for SQL Server gives you a fully graphical approach to database management and development.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|Microsoft Azure Cosmos DB former name was Azure DocumentDB||Microsoft SQL Server||Sadas Engine|
|DB-Engines blog posts|