Problems with the Row_Number function

I have problems with the Row_Number function. I use to assign line numbers to records where a student has a note of passage on a module and the exclusion of the modules failed (I want to show her a 0 as the line number for the modules failed). The problem is that when I try to use a condition, the report still assigns a line number to a defective module if it does not display it (it shows a 0 I wanted to show him). The results are displayed as follows:

Line number Module Grade
1ModuleAPass
2ModuleBPass
0ModuleCIn case of failure
4 (instead of 3)ModuleDPass

How can I make him jump to assign a line number to all the modules failed? Please help.

Thank you.

Thank you very much, Melanie. I made changes to query as per your suggestion, which is a union of the modules failed and passed (using row_number on success modules). Thanks for the solution.

Tags: Oracle Development

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