57 lines
1.7 KiB
Plaintext
57 lines
1.7 KiB
Plaintext
1|-------------------------------
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update ligne_commande l1
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set l1.prix_total =
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(select p.prix_unitaire * l2.quantite
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from produit p, ligne_commande l2
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where p.id = l2.produit_id and l2.id = l1.id);
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(verfification)
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select p.prix_unitaire * l.quantite, l.prix_total
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from ligne_commande l, produit p
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where l.produit_id = p.id;
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3|--------------------------------
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select c.id, c.nom, c.prenom, sum(l.prix_total)
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from client c, commande co, ligne_commande l
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where c.id = co.client_id and co.id = l.commande_id
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group by c.id, c.nom, c.prenom;
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4|--------------------------
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select c.id, c.nom, c.prenom, sum(l.prix_total)
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from client c, commande co, ligne_commande l
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where c.id = co.client_id and co.id = l.commande_id
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group by c.id, c.nom, c.prenom
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having sum(l.prix_total) > 2000;
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5|-----------------------------
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select to_char(co.date_achat, 'yy'), to_char(co.date_achat, 'mm'), sum(l.prix_total)
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from commande co, ligne_commande l
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where co.id = l.commande_id
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group by to_char(co.date_achat, 'yy'), to_char(co.date_achat, 'mm');
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(verification)
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la somme est egale a:
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select sum(prix_total) from ligne_commande;
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6|------------------------------
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create sequence seq_tp
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start with 121;
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select seq_tp.currval from dual;
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select seq_tp.nextval from dual;
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7|------------------------------
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create or replace procedure sp_insert_ligne_commande(p_commande_id int, p_produit_id int, p_quantite int) is
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p_prix_total ligne_commande.prix_total%type;
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p_id ligne_commande.id%type;
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begin
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select seq_tp.nextval into p_id from dual;
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select p.prix_unitaire * l.quantite into p_prix_total from produit p, ligne_commande l where p.id = p_commande_id;
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insert into ligne_commande values (p_id,p_commande_id,p_produit_id,p_quantite,p_prix_total);
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end sp_insert_ligne_commande; |