Version: GeneXus 16

GeneXus course

Nivel Junior

How to list related information

How to use nested For eachs to print related information (the categories and their tourist attractions). This case is known as join. 

Junior level

Optional



Click here for a PDF transcript of the video.

A procedure is implemented with a couple of nested For eachs, where the information of the external For each is related to that of the internal For each with a relation of one to many. An explanation is given regarding the difference between this case (join) and cases where there is no evident relation between the information (Cartesian product).

We recommend that you view the "Introduction to procedures and listings. Command to query the database" video.

Additionally: nested For eachs –related navigations, independent For eachs, join, print, Cartesian product, printblock, layout, source, base table, extended table, pdf report. 

 

Lessons

Presentation

Objective:
Provide the minimum knowledge required to understand GeneXus and start developing simple applications.

Designed for:
Those who want to start developing applications with GeneXus as quickly as possible.

Course requirements:
For those who don’t have prior programming and database knowledge, reading this material before starting the course is recommended. 

Suggested methodology for this course:
Instructor-led: Follow the instructions in the recommendations and suggestions document, which you can download from the download center together with the course materials.
 
Self-study: Watch each video and try to replicate in GeneXus the demos made by the teacher. Then do the practical exercises corresponding to the topic discussed in the video.

Suggested course duration: 50 hours
Introduction and demo: 1 hour
Theory/Practice: 40 hours
Review of fundamental concepts: 7 hours
Exam preparation: 2 hours
 
Exam:
Students will be able to take the exam corresponding to the GeneXus Junior Analyst certification. This exam is taken on a computer and includes multiple choice and true/false questions about the topics learned throughout the course, to confirm that the student has effectively learned the essential concepts required for developing applications with GeneXus, according to the Junior Level.
In preparation for the exam, it is suggested that candidates study the material titled Review of fundamental concepts. Also, they can work on this practice exam.
Exam duration: 90 minutes.

>> To take the instructor-led course, we recommend that you check the Course Calendar, contact an Academic Partner in your country, or send us an email to training@genexus.com
 

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Previous versions

Materials

In this section, you will find a PDF document with practical exercises similar to those carried out in each class. Some new and optional exercises are included. We recommend that you work on them as you study each topic.

You will also find all the Theory of the course in PDF format to read / print it.

The URL of the KB in GeneXus Server has also been included as it should be at the end of the practice exercise. It will allow you to compare your solution with this one.

Bonus Material

To take the course and work on the exercises you need the trial version of GeneXus 16.
 
GeneXus 16 Trial  

KB solution of practical exercises:
Name: GeneXus16JuniorCoursePracticalExercises
Server: http://samples.genexusserver.com/v16

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