UPDATE a Table that Contains Row Objects (TCRO) : Update « Object Oriented Database « Oracle PL / SQL

1. Oracle PL / SQL
2. Object Oriented Database
3. Update

UPDATE a Table that Contains Row Objects (TCRO)

 


SQL> -- UPDATE a Table that Contains Row Objects (TCRO)
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 address_table OF ADDRESS_OBJ;

Table created.

SQL>
SQL> CREATE TABLE client (name VARCHAR2(20),
  2    address REF address_obj scope is address_table);

Table created.

SQL>
SQL>
SQL>
SQL> INSERT INTO client VALUES ('Jones',null);

1 row created.

SQL>
SQL>
SQL> UPDATE client SET address =
  2  (SELECT REF(aa)
  3  FROM address_table aa
  4  WHERE aa.city LIKE 'Mob%')
  5  WHERE name = 'Jones';

1 row updated.

SQL>
SQL>
SQL> SELECT * FROM client;

NAME      ADDRESS
--------- --------------------------------------------------
Jones

SQL>
SQL>
SQL>
SQL> drop table client;

Table dropped.

SQL>
SQL> drop table address_table;

Table dropped.

SQL>
SQL>
SQL>
           
         
  

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