Select a number value from a table into a variable and output it : Number « PL SQL Data Types « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. PL SQL Data Types
3. Number

SQL>
SQL> CREATE TABLE product (
  2       product_name     VARCHAR2(25) PRIMARY KEY,
  3       product_price    NUMBER(4,2),
  4       quantity_on_hand NUMBER(5,0),
  5       last_stock_date  DATE
  6       );

Table created.

SQL>
SQL>
SQL> INSERT INTO product VALUES ('Product 1', 99,  1,    '15-JAN-03');

1 row created.

SQL> INSERT INTO product VALUES ('Product 2', 75,  1000, '15-JAN-02');

1 row created.

SQL> INSERT INTO product VALUES ('Product 3', 50,  100,  '15-JAN-03');

1 row created.

SQL> INSERT INTO product VALUES ('Product 4', 25,  10000, null);

1 row created.

SQL> INSERT INTO product VALUES ('Product 5', 9.95,1234, '15-JAN-04');

1 row created.

SQL> INSERT INTO product VALUES ('Product 6', 45,  1,    TO_DATE('December 31, 2008, 11:30 P.M.','Month dd, YYYY, HH:MI P.M.'));

1 row created.

SQL>
SQL>
SQL>
SQL>
SQL> DECLARE
  2      product_quant        NUMBER;
  3  BEGIN
  4      SELECT  quantity_on_hand
  5      INTO    product_quant
  6      FROM    product
  7      WHERE   product_name = 'Product 1';
  8      dbms_output.put_line ('Product 1' || product_quant);
  9  END;
 10  /
Product 11

PL/SQL procedure successfully completed.

SQL>
SQL>
SQL> drop table product;

Table dropped.

SQL>
SQL>