Confused with Cursors in Oracle Procedures

Question

Hi ,
I am new to PLSQL programming , learning it daily .
I am having a query here
I have read that if we use Explicit Cursor in procedure then we need to open it , fetch and then close it , which i did some examples .
The below is a procedure , which doesn't have anything like Opening the cursor , fetching data from the cursor --- etc then how this is working ??
create or replace procedure show_empnos(p_deptno in number) is
cursor cur_emps is
select empno
from   emp
where  deptno = p_deptno
order by empno;
begin
for e in cur_emps
loop
dbms_output.put_line('EmpNo: '||to_char(e.empno,'fm99999'));
end loop;
end;
please advise .

Answer 1

user10503747 wrote:
Hi ,
I am new to PLSQL programming , learning it daily .
I am having a query here
I have read that if we use Explicit Cursor in procedure then we need to open it , fetch and then close it , which i did some examples .
The below is a procedure , which doesn't have anything like Opening the cursor , fetching data from the cursor --- etc then how this is working ??
create or replace procedure show_empnos(p_deptno in number) is
cursor cur_emps is
select empno
from   emp
where  deptno = p_deptno
order by empno;
begin
for e in cur_emps
loop
dbms_output.put_line('EmpNo: '||to_char(e.empno,'fm99999'));
end loop;
end;
please advise .The FOR statement implements the open, fetch and close automatically as part of it's construct.