Mega Code Archive
A complete example if uisng the cursor variable using a cursor FOR LOOP
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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 company(
2 product_id number(4) not null,
3 company_id NUMBER(8) not null,
4 company_short_name varchar2(30) not null,
5 company_long_name varchar2(60)
6 );
Table created.
SQL> insert into company values(1,1001,'A Inc.','Long Name A Inc.');
1 row created.
SQL> insert into company values(1,1002,'B Inc.','Long Name B Inc.');
1 row created.
SQL> insert into company values(1,1003,'C Inc.','Long Name C Inc.');
1 row created.
SQL> insert into company values(2,1004,'D Inc.','Long Name D Inc.');
1 row created.
SQL> insert into company values(2,1005,'E Inc.','Long Name E Inc.');
1 row created.
SQL> insert into company values(2,1006,'F Inc.','Long Name F Inc.');
1 row created.
SQL>
SQL> DECLARE
2 CURSOR cursorValue IS
3 SELECT h.product_description,o.company_short_name
4 FROM company o,product h
5 WHERE o.product_id =h.product_id
6 ORDER by 2;
7 BEGIN
8
9 FOR idx IN cursorValue LOOP
10 dbms_output.put_line(rpad(idx.product_description,20,' ')||' '||rpad(idx.company_short_name,30,' '));
11 END LOOP;
12 END;
13 /
Java A Inc.
Java B Inc.
Java C Inc.
Oracle D Inc.
Oracle E Inc.
Oracle F Inc.
PL/SQL procedure successfully completed.
SQL>
SQL> drop table product;
Table dropped.
SQL>
SQL> drop table company;
Table dropped.
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