test4
create or replace procedure testp
is
begin
dbms_output.put_line('aaaa');
end;
/
declare
i number(2) :=10;
ena emp.ename%type;
begin
dbms_output.put_line(i);
select ename into ena from emp where empno=1002;
dbms_output.put_line(ena);
end;
/
存储一整条(一行)记录:
declare
i number(2) :=10;
ena emp.ename%type;
emprow emp%rowtype;
begin
dbms_output.put_line(i);
select ename into ena from emp where empno=1002;
dbms_output.put_line(ena);
select * into emprow from emp where empno=1002;
dbms_o
utput.put_line(emprow.ename || '工作为' || emprow.job);
end;
/
10
黛绮丝
黛绮丝工作为销售员
PL/SQL procedure successfully completed.
---- 输出emp表中所有员工姓名
declare
cursor c1 is select * from emp;
emprow emp%rowtype;
begin
open c1;
loop
fetch c1 into emprow;
exit when c1%notfound;
dbms_output.put_line(emprow.ename);
end loop;
close c1;
end;
/
declare
cursor c2(eno emp.deptno%type)
is select empno from emp where deptno = eno;
en emp.empno%type;
begin
open c2(10);
loop
fetch c2 into en;
exit when c2%notfound;
update emp set sal=sal+100 where empno=en;
commit;
end loop;
close c2;
end;
/
执行后查询:
select sal from emp where deptno =10;
// 存储过程:
create or replace procedure p1(eno emp.empno%type)
is
begin
update emp set sal=sal+100 where empno=eno;
commit;
end;
/
select sal from emp where empno = 1002;
--- 测试存储过程调用:
declare
begin
p1(1002);
end;
/
select * from emp where empno = 1002;
存储函数:
create or replace function f_diff(eno emp.empno%type) return number
is
s number(10);
begin
select sal*12+nvl(comm, 0) into s from emp where empno = eno;
return s;
end;
/
测试
declare
s number(10);
begin
s :=f_diff(1002);
dbms_output.put_line(s);
end;
/
