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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>
SQL> DECLARE
2 v_descr VARCHAR2(20);
3 BEGIN
4 SELECT product_description
5 INTO v_descr
6 FROM product
7 WHERE product_id =10;
8 dbms_output.put_line(v_descr);
9 EXCEPTION WHEN OTHERS THEN
10 dbms_output.put_line('ERR:Invalid Hierarchy Code 10');
11 END;
12 /
ERR:Invalid Hierarchy Code 10
PL/SQL procedure successfully completed.
SQL>
SQL>
SQL>
SQL> drop table product;
Table dropped.
SQL>
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