DBMS > IBM Db2 vs. Microsoft SQL Server vs. SAP SQL Anywhere
System Properties Comparison IBM Db2 vs. Microsoft SQL Server vs. SAP SQL Anywhere
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|Editorial information provided by DB-Engines|
|Name||IBM Db2 formerly named DB2 or IBM Database 2 Xexclude from comparison||Microsoft SQL Server Xexclude from comparison||SAP SQL Anywhere formerly called Adaptive Server Anywhere Xexclude from comparison|
|Description||Common in IBM host environments, 2 different versions for host and Windows/Linux||Microsofts relational DBMS||RDBMS database and synchronization technologies for server, desktop, remote office, and mobile environments|
|Primary database model||Relational DBMS Since Version 10.5 support for JSON/BSON documents compatible with MongoDB||Relational DBMS||Relational DBMS|
|Secondary database models||Document store|
RDF store in DB2 LUW (Linux, Unix, Windows)
|Developer||IBM||Microsoft||SAP formerly Sybase|
|Initial release||1983 host version||1989||1992|
|Current release||12.1, October 2016||SQL Server 2017, October 2017||17, July 2015|
|License Commercial or Open Source||commercial free version is available||commercial restricted free version is available||commercial|
|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 and C++||C++|
|Server operating systems||AIX|
|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||yes|
|SQL Support of SQL||yes||yes||yes|
|APIs and other access methods||JSON style queries MongoDB compatible|
Tabular Data Stream (TDS)
|Supported programming languages||C|
|Server-side scripts Stored procedures||yes||Transact SQL, .NET languages, R, Python and (with SQL Server 2019) Java||yes, in C/C++, Java, .Net or Perl|
|Partitioning methods Methods for storing different data on different nodes||Sharding only with Windows/Unix/Linux Version||tables can be distributed across several files (horizontal partitioning); sharding through federation||none|
|Replication methods Methods for redundantly storing data on multiple nodes||yes with separate tools (MQ, InfoSphere)||yes, but depending on the SQL-Server Edition||Master-slave replication Database mirroring|
|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||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||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|
|User concepts Access control||fine grained access rights according to SQL-standard||fine grained access rights according to SQL-standard||fine grained access rights according to SQL-standard|
More information provided by the system vendor
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|IBM Db2 formerly named DB2 or IBM Database 2||Microsoft SQL Server||SAP SQL Anywhere formerly called Adaptive Server Anywhere|
|DB-Engines blog posts|
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|Conferences and events|
IDUG Db2 Tech Conference Europe 2019
PASS Summit 2019
|Recent citations in the news|
Bringing the mainframe into agile processes with DevOps for Db2
Midrange Dynamics Speeds Table Updates In Db2 Mirror Clusters
Doing Analytics Against Critical Production Data
BMC Enhances Application Development with Automated Mainframe Intelligence (AMI)
provided by Google News
Aginity Launches Analytic Management Support for Microsoft SQL Server
Cost-saving options for protecting SQL server databases in the AWS cloud
Google Releases Enterprise Database Options, Targets SQL Server Customers
End of Support: SQL Server 2008 and Windows Server 2008 Upgrade Options
Azure SQL unified Azure portal experience | Data Exposed - Microsoft
provided by Google News
SAP SQL Anywhere
SAP gives SQL Anywhere a new IoT injection
SAP BAPI (Business Application Programming Interface)
Data Management and the Internet of Things
SAP IoT products: How do they work with ERP and big data?
provided by Google News
Senior Engineer, Database Engineering
SQL Server Developer
IT Specialist (SYSADMIN/OS)
Principal Database Administrator
Senior Database Engineer Db2 LUW + (Oracle or MS SQL)
Senior SQL Server Database Administrator
SQL Server Database Lead
Lead SQL Server DBA
Senior Application Developer/Database Analyst (SQL/ETL)
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