Questão de Tecnologia da Informação

cursor c_empregado (pdepnum number, pcargo varchar2) is
select empnum, enome
from emp
where depnum = pdepnum
and cargo > pcargo;

create view emp_dep_v as
select e.empnum, e.enome, e.cargo, e.sal, d.dnome
from emp e, dep d
where e.depnum = d.depnum;

create function row_count_emp return integer as rows integer;
begin
execute immediate 'select count(*) from emp' into rows;
return rows;
end;

procedure lista_gerente_salario is
begin
for r1 in c1 loop
tgerente(r1.dep_id) := r1;
end loop;
n := tgerente.first;
while n

create trigger tig_emp after insert or delete or update of sal, comm on emp
declare
wnr_registros number default 0;
wvl_total_salario number default 0;
begin
select count(*) into wnr_registros
from emp;

select sum(sal) into wvl_total_salario
from emp;

insert into tab_audit_emp (nr_registros, vl_total_salario)
values (wnr_registros, wvl_total_salario);
end;