Count the number of saves has the same id

Iss -  
DelNC Messages postés 2360 Statut Membre -
Hi
I would like to know how to create an SQL code of windev, to calculate (number) how many lines (saves) in (Data bases file) has the same (Id)...?
and i would like to use this code in a button.
so should i use loop function or what ?
I will be so grateful with a help
Regards

1 réponse