Informix is a family of relational database management system products from IBM, acquired in 2001 from a company called Informix.
The Informix DBMS started from the pioneering Ingress system and it led to Sybase and Microsoft SQL Server. Informix has and still is one of the most popular database system.
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Querix is An Informix 4GL compatible compiler tool that provides a GUI and works/interacts with relational DBMS such as Informix.
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Linux is a free open-source operating system based on Unix. Linux was originally created by Linus Torvalds with the assistance of developers from around the globe. The source code for Linux is freely available to Everyone.
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DB2 has a long history and was once considered to be the first database product to use SQL. Most often though, when people say DB2, they tend refer to IBM's flagship relational database management system, DB2 Universal Database. But nowDB2 is also embedded in the IBM iSeries operating system. The name DB2 was first given to the Database Management System or DBMS in 1982 where IBM released SQL/DS and DB2 on its mainframe platform.
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Lotus Notes is a commercial workflow and groupware software package that provides application developers with an environment for quick creation of cross- platform client/server applications. It allows corporation and its workers develop communications- and database-oriented applications where users at different geographic locations can share files with each other publicly or privately. Lotus Notes It is a subsidiary of IBM.
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