alter table Groupe add constraint c_annee check(Annee in(1,2)) -- 2. Tél_Fixe commence par 05 et Tél_Portable par 06, les deux ne peuvent pas dépasser 10 chiffres ...
The repository includes a single document, Join-Subquery Questions.pdf, which outlines 50 SQL problems. The SQL queries that solve these problems are also included. Join-Subquery Questions.pdf: This ...
I'm writing with a question that ostensibly relates to my work. In other words, I only want to strip out all of the attributes on my "Element" elements except for "name" and "type". This is merely to ...