ein paar Links zum Urgestein Informix

Handbücher
https://de.wikipedia.org/wiki/Informix
https://en.wikipedia.org/wiki/IBM_Informix-4GL
https://www.ibm.com/de-de/products/informix/developer-tools
http://aubit4gl.sourceforge.net/aubit4gldoc/manual/html/4gl_programming_language.html (kostenlose Variante)
     
Lektüre
https://www.oninit.com/manual/informix/english/docs/4gl/7610.pdf
https://www.oninit.com/manual/informix/english/docs/4gl/7611.pdf
https://pdf4pro.com/cdn/informix-4gl-by-example-2582b5.pdf
http://programmingexamples.wikidot.com/35-introduction-to-4gl
     
4GL als Windows-Programm
https://querix.com/wp-content/uploads/2019/02/Querix-Lycia-The-rebirth-of-Informix-4GL.pdf
https://4js.com/support/ibm-i4gl-to-genero/
     
Videos
https://www.youtube.com/watch?v=wJBhwodsVEw
 
https://advancedatatools.com/tech-info/all-tech-topics/tech-beginners/