SQL>
SQL> create table product(
2 product_id number(4) not null,
3 product_description varchar2(20) not null
4 );
Table created.
SQL>
SQL> insert into product values (1,'Java');
1 row created.
SQL> insert into product values (2,'Oracle');
1 row created.
SQL> insert into product values (3,'C#');
1 row created.
SQL> insert into product values (4,'Javascript');
1 row created.
SQL> insert into product values (5,'Python');
1 row created.
SQL>
SQL> create table sec_product(
2 product_id number(4) not null,
3 product_description varchar2(20) not null
4 );
Table created.
SQL>
SQL> BEGIN
2 INSERT INTO sec_product
3 SELECT * FROM product;
4 COMMIT;
5 END;
6 /
PL/SQL procedure successfully completed.
SQL> DECLARE
2 CURSOR myCursor IS
3 SELECT * FROM sec_product FOR UPDATE OF product_description;
4 v_product_description VARCHAR2(20);
5 BEGIN
6 FOR idx IN myCursor LOOP
7 v_product_description :=UPPER(idx.product_description);
8 UPDATE sec_product
9 SET product_description =v_product_description
10 WHERE CURRENT OF myCursor;
11 END LOOP;
12 COMMIT;
13 END;
14 /
PL/SQL procedure successfully completed.
SQL>
SQL> drop table product;
Table dropped.
SQL> drop table sec_product;
Table dropped.