DBMS > Informix vs. Microsoft SQL Server vs. Oracle
System Properties Comparison Informix vs. Microsoft SQL Server vs. Oracle
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|Editorial information provided by DB-Engines|
|Name||Informix Xexclude from comparison||Microsoft SQL Server Xexclude from comparison||Oracle Xexclude from comparison|
|Description||A secure embeddable database from IBM, positioned besides IBM Db2 as a relatively low-cost product optimized for OLTP and Internet of Things data||Microsofts flagship relational DBMS||Widely used RDBMS|
|Primary database model||Relational DBMS Since Version 12.10 support for JSON/BSON datatypes compatible with MongoDB||Relational DBMS||Relational DBMS|
|Secondary database models||Document store|
Time Series DBMS with Informix TimeSeries Extension
Graph DBMS with Oracle Spatial and Graph
RDF store with Oracle Spatial and Graph
Spatial DBMS with Oracle Spatial and Graph
|Developer||IBM, HCL Technologies Effective May 1st, 2017, HCL took on development, technical support, and product management teams, and works jointly with IBM on product strategy, marketing, and sales.||Microsoft||Oracle|
|Current release||14.10.FC5, November 2020||SQL Server 2019, November 2019||19c, February 2019|
|License Commercial or Open Source||commercial free developer edition available||commercial restricted free version is available||commercial restricted free version is available|
|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 Java||C++||C and C++|
|Server operating systems||AIX|
|Data scheme||yes||yes||yes Schemaless in JSON and XML columns|
|Typing predefined data types such as float or date||yes Since Version 12.10 support for JSON/BSON datatypes||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 with proprietary extensions|
|APIs and other access methods||JDBC|
JSON API MongoDB compatible
MQTT (Message Queue Telemetry Transport)
RESTful HTTP API
Tabular Data Stream (TDS)
Oracle Call Interface (OCI)
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||yes||Transact SQL, .NET languages, R, Python and (with SQL Server 2019) Java||PL/SQL also stored procedures in Java possible|
|Partitioning methods Methods for storing different data on different nodes||Sharding||tables can be distributed across several files (horizontal partitioning); sharding through federation||Sharding, horizontal partitioning|
|Replication methods Methods for redundantly storing data on multiple nodes||Multi-source replication|
|yes, but depending on the SQL-Server Edition||Multi-source replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no can be realized in PL/SQL|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||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 isolation level can be parameterized|
|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||yes Version 12c introduced the new option 'Oracle Database In-Memory'|
|User concepts Access control||Users with fine-grained authentication, authorization, and auditing controls||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||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.
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.
Navicat for SQL Server gives you a fully graphical approach to database management and development.
|Navicat for Oracle improves the efficiency and productivity of Oracle developers and administrators with a streamlined working environment.|
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.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|Informix||Microsoft SQL Server||Oracle|
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