PL/SQL Cursor Exercises: Insert data into two tables from one table using cursor
PL/SQL Cursor: Exercise-22 with Solution
Write a program in PL/SQL to insert data into two tables from one table using cursor.
DROP TABLE emp_temp; CREATE TABLE emp_temp AS SELECT employee_id, department_id,job_id FROM employees; DELETE FROM emp_temp; COMMIT; DROP TABLE emp_detls_temp; CREATE TABLE emp_detls_temp( employee_id NUMBER, empname varchar2(40)); DECLARE z_empid employees.employee_id%TYPE; z_depid employees.department_id%TYPE; z_firstname employees.first_name%TYPE; z_lastname employees.last_name%TYPE; CURSOR cur_stclerk IS SELECT employee_id, department_id, first_name, last_name FROM employees WHERE job_id = 'ST_CLERK'; BEGIN OPEN cur_stclerk; LOOP FETCH cur_stclerk INTO z_empid,z_depid,z_firstname, z_lastname; EXIT WHEN cur_stclerk%NOTFOUND; INSERT INTO emp_temp (employee_id, department_id, job_id) VALUES (z_empid, z_depid, 'ST_CLERK'); INSERT INTO emp_detls_temp (employee_id, empname) VALUES (z_empid, z_firstname || ' ' || z_lastname); END LOOP; CLOSE cur_stclerk; COMMIT; END; /
PL/SQL procedure successfully completed. If you want to see the inserted data from the table emp_temp and emp_detls_temp type the following statement: select * from emp_temp; select * from emp_detls_temp;
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