In this blog post, we will see how to use cursors to fetch multiple rows from a query result set
Implicit Cursor:
Here is the example for the Implicit Cursor
BEGIN
FOR rec IN (SELECT employee_id, first_name FROM employees WHERE department_id = 100) LOOP
DBMS_OUTPUT.PUT_LINE('Employee: ' || rec.first_name);
END LOOP;
END;
Explicit Cursor:
Here is the example for the Implicit Cursor
DECLARE
CURSOR c_emp IS SELECT employee_id, first_name FROM employees;
v_emp_id employees.employee_id%TYPE;
v_name employees.first_name%TYPE;
BEGIN
OPEN c_emp;
LOOP
FETCH c_emp INTO v_emp_id, v_name;
EXIT WHEN c_emp%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('Employee ID: ' || v_emp_id || ', Name: ' || v_name);
END LOOP;
CLOSE c_emp;
END;
