Decode a column with substr and instr : DECODE « Conversion Functions « Oracle PL / SQL






  1. Oracle PL / SQL
  2. Conversion Functions
  3. DECODE

Decode a column with substr and instr

   
SQL>
SQL> CREATE TABLE old_item (
  2       item_id   CHAR(20),
  3       item_desc CHAR(25)
  4       );

Table created.

SQL>
SQL> INSERT INTO old_item VALUES('LA-101', 'Can, Small');

1 row created.

SQL> INSERT INTO old_item VALUES('LA-102', 'Can, Large');

1 row created.

SQL> INSERT INTO old_item VALUES('LA-103', 'Bottle, Small');

1 row created.

SQL> INSERT INTO old_item VALUES('LA-104', 'Bottle, Large');

1 row created.

SQL> INSERT INTO old_item VALUES('NY-101', 'Box, Small');

1 row created.

SQL> INSERT INTO old_item VALUES('NY-102', 'Box, Large');

1 row created.

SQL> INSERT INTO old_item VALUES('NY-103', 'Shipping Carton, Small');

1 row created.

SQL> INSERT INTO old_item VALUES('NY-104', 'Shipping Carton, Large');

1 row created.

SQL>
SQL> SELECT item_desc,
  2         SUBSTR(item_desc,
  3                INSTR(item_desc,
  4                      ',',
  5                      1
  6                      ) +2,
  7                99
  8                )
  9  FROM   old_item;

ITEM_DESC                 SUBSTR(ITEM_DESC,INSTR(IT
------------------------- -------------------------
Can, Small                Small
Can, Large                Large
Bottle, Small             Small
Bottle, Large             Large
Box, Small                Small
Box, Large                Large
Shipping Carton, Small    Small
Shipping Carton, Large    Large

8 rows selected.

SQL>
SQL> drop table OLD_ITEM;

Table dropped.

SQL>








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