Using UPDATE with Columns : Update « Object Oriented Database « Oracle PL / SQL






Using UPDATE with Columns

 


SQL> --Using UPDATE with TYPEed Columns
SQL>
SQL>
SQL> CREATE OR REPLACE TYPE address_obj as OBJECT(
  2        street VARCHAR2(20),
  3        city VARCHAR2(20),
  4        state CHAR(2),
  5        zip CHAR(5));
  6  /

Type created.

SQL>
SQL> CREATE TABLE emp (empno   NUMBER(3),
  2                    name    VARCHAR2(20),
  3                    address ADDRESS_OBJ);

Table created.

SQL>
SQL>
SQL> INSERT INTO emp VALUES (101, 'Adam', ADDRESS_OBJ('1 A St.','Mobile','AL','36608'));

1 row created.

SQL>
SQL> COLUMN name FORMAT a9
SQL> COLUMN empno FORMAT 999999
SQL> COLUMN address FORMAT a50
SQL>
SQL> UPDATE emp e
  2  SET e.address.zip = '34210'
  3  WHERE e.address.city LIKE 'Mobile%';

1 row updated.

SQL>
SQL>
SQL>
SQL> SELECT name, e.address.city FROM emp e WHERE e.address.state = 'AL';

NAME      ADDRESS.CITY
--------- --------------------
Adam      Mobile

SQL>
SQL> drop table emp;

Table dropped.

SQL>
SQL>
           
         
  








Related examples in the same category

1.Use type constructor in update statement
2.update calls the constructor in the SET clause
3.UPDATE Data in a Table of Row Objects
4.UPDATE a Table that Contains Row Objects (TCRO)
5.Update using the PL/SQL variables
6.Update user-defined type column