BUT2/BD/Lekpa/TP_Note/Reponse.sql
2024-02-26 20:37:20 +01:00

100 lines
2.5 KiB
SQL

/*
A
Nom et prénom : Wamster alexis
Groupe : 2
Salle TP : 235
Nom du voisin de gauche : DIMITRIJEVIC Hugo
Nom du voisin de droite : Schnur Edouard
*/
/*Exercice 1*/
Create or replace procedure update_COMM
IS
cursor comm_emp IS Select EMPNO,COMM from EMP;
e_comm EMP.COMM%TYPE;
e_empno EMP.EMPNO%TYPE;
comm_min EMP_SEUIL.COMM_MIN%TYPE;
Begin
for v_comm in comm_emp
loop
e_comm := v_comm(comm_emp.COMM);
e_empno := v_comm(comm_emp.EMPNO);
select COMM_MIN into comm_min from EMP_SEUIL S, EMP E where E.EMPNO = e_empno AND S.JOB = E.JOB;
if (e_comm < comm_min) then
update EMP set COMM=comm_min where EMPNO=e_empno;
else if(e_comm = null) then
update EMP set COMM=comm_min where EMPNO=e_empno;
end if;
end loop;
end;
/*Exercice 2*/
create or replace procedure insert_emp(empno EMP.EMPNO%TYPE, ename EMP.ENAME%TYPE, job EMP.JOB%TYPE, mgr EMP.MGR%TYPE, hiredate EMP.HIREDATE%TYPE, sal EMP.SAL%TYPE, comm EMP.COMM%TYPE, deptno EMP.DEPTNO%TYPE)
is
comm_min EMP_SEUIL.COMM_MIN%TYPE;
nb_emp SUIVI_EMP.Nombre_Emp%TYPE;
begin
select COMM_MIN into comm_min
from EMP_SEUIL S, EMP E
where E.EMPNO = empno AND S.JOB = E.JOB;
if (comm < comm_min) then
comm := comm_min;
else if(comm = null) then
comm := comm_min;
end if;
insert into EMP values (empno, ename, job, mgr, hiredate, sal, comm, deptno);
select Nombre_Emp into nb_emp from SUIVI_EMP where DEPTNO=deptno;
nb_emp := nb_emp+1;
update SUIVI_EMP set Nombre_Emp=nb_emp where DEPTNO=deptno;
exception
WHEN OTHERS THEN
DBMS.OUTPUT.PUT_LINE('departemen inexisatant');
end insert_emp;
/*Exercice 3*/
create or replace function salaire_moyen(job EMP.JOB%TYPE)
RETURN int
is
moyenne int;
begin
select AVG(SAL) into moyenne
from EMP
where JOB=job;
return moyenne
end salaire_moyen;
/*Test*/
select distinct JOB, salaire_moyen(JOB) from emp;
/*Exercice 4*/
Create table EMP_HIS (
EMPID EMP.EMPNO%TYPE PRIMARY KEY,
ENAME EMP.JOB%TYPE,
JOB EMP.MGR%TYPE,
HIREDATE EMP.HIREDATE%TYPE,
DEPTNO EMP.DEPTNO%TYPE,
ENDDATE DEPT.DNAME%TYPE
);
CREATE OR REPLACE TRIGGER historique
AFTER DELETE
ON EMP
FOR EACH ROW
DECLARE
dname DEPT.DNAME%TYPE;
BEGIN
select DNAME into dname from DEPT where DEPTNO=DEPTNO:OLD;
insert into EMP_HIS values(EMPNO:OLD, JOB:OLD, MGR:OLD, HIREDATE:OLD, DEPTNO:OLD, dname);
END historique;
/*J'ai pas eu le temps de corriger les erreurs et de tester correctement*/