An example of parameterized cursor using cursor FOR LOOP : Cursor Parameter « Cursor « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. Cursor
3. Cursor Parameter

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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.

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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.

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SQL> DECLARE
  2    CURSOR cursorValue(p_product_id NUMBER) 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      AND h.product_id =p_product_id
  7      ORDER by 2;
  8    v_company_rec cursorValue%ROWTYPE;
  9  BEGIN
 10
 11    FOR idx in cursorValue(1) LOOP
 12      dbms_output.put_line(rpad(idx.product_description,20,' ')||' '||
 13      rpad(idx.company_short_name,30,' '));
 14    END LOOP;
 15
 16    FOR idx in cursorValue(2) LOOP
 17      dbms_output.put_line(rpad(idx.product_description,20,' ')||' '||
 18      rpad(idx.company_short_name,30,' '));
 19    END LOOP;
 20  END;
 21  /
Java                 A Inc.
Java                 B Inc.
Java                 C Inc.
Oracle               D Inc.
Oracle               E Inc.
Oracle               F Inc.

PL/SQL procedure successfully completed.

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SQL> drop table product;

Table dropped.

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SQL> drop table company;

Table dropped.

SQL>