Oracle Database Interview Question:

Can Multiple Cursors Being Opened at the Same Time?

Submitted by: Administrator

Yes, multiple cursors can be opened at the same time. See the following example:

CREATE OR REPLACE PROCEDURE ggl_CENTER AS
CURSOR emp_cur IS SELECT * FROM employees;
emp_rec employees%ROWTYPE;
CURSOR dpt_cur IS SELECT * FROM departments;
dpt_rec departments%ROWTYPE;
BEGIN
OPEN emp_cur;
OPEN dpt_cur;
FETCH emp_cur INTO emp_rec;
FETCH dpt_cur INTO dpt_rec;
DBMS_OUTPUT.PUT_LINE('Department name = ' ||
dpt_rec.department_name);
DBMS_OUTPUT.PUT_LINE('Employee name = ' ||
emp_rec.first_name || ' ' || emp_rec.last_name);
CLOSE emp_cur;
CLOSE dpt_cur;
END;
/
Department name = Administration
Employee name = Steven King

Submitted by: Administrator