Change value case with update statement : UPDATE WHERE « Insert Delete Update « Oracle PL / SQL

1. Oracle PL / SQL
2. Insert Delete Update
3. UPDATE WHERE

Change value case with update statement

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

Table created.

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

1 row created.

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

1 row created.

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

1 row created.

SQL> INSERT INTO product VALUES ('Round Church Station', 25, 10000, null);

1 row created.

SQL>
SQL> select * from product;

PRODUCT_NAME              PRODUCT_PRICE QUANTITY_ON_HAND LAST_STOC
------------------------- ------------- ---------------- ---------
Small Widget                         99                1 15-JAN-03
Medium Widget                        75             1000 15-JAN-02
Product Number                       50              100 15-JAN-03
Round Church Station                 25            10000

SQL>
SQL>
SQL> UPDATE product
  2  SET    product_name = 'product Number'
  3  WHERE  product_name = 'Product Number';

1 row updated.

SQL>
SQL> select * from product;

PRODUCT_NAME              PRODUCT_PRICE QUANTITY_ON_HAND LAST_STOC
------------------------- ------------- ---------------- ---------
Small Widget                         99                1 15-JAN-03
Medium Widget                        75             1000 15-JAN-02
product Number                       50              100 15-JAN-03
Round Church Station                 25            10000

SQL>
SQL> DROP TABLE product;

Table dropped.

   
  

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