DELETE from object table where clause reference object's attributes : Delete « Object Oriented « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. Object Oriented
3. Delete

SQL>
SQL>
SQL> CREATE OR REPLACE TYPE address AS OBJECT
  2              (line1 VARCHAR2(20),
  3               line2 VARCHAR2(20),
  4               city VARCHAR2(20),
  5               state_code VARCHAR2(2),
  6               zip VARCHAR2(13),
  7    MEMBER FUNCTION get_address RETURN VARCHAR2,
  8    MEMBER PROCEDURE set_address
  9              (addressLine1 VARCHAR2,
 10               addressLine2 VARCHAR2,
 11               address_city VARCHAR2,
 12               address_state VARCHAR2,
 13               address_zip VARCHAR2)
 14  );
 15  /

Type created.

SQL> CREATE OR REPLACE TYPE BODY address AS
  2    MEMBER FUNCTION get_address RETURN VARCHAR2
  3    IS
  4    BEGIN
  5      RETURN (SELF.line1||' '||SELF.line2||' '||SELF.city||', '||
  6              SELF.state_code||' '||SELF.zip);
  7    END get_address;
  8    MEMBER PROCEDURE set_address (addressLine1 VARCHAR2,
  9                  addressLine2 VARCHAR2,
 10                  address_city VARCHAR2,
 11                  address_state VARCHAR2,
 12                  address_zip VARCHAR2)
 13    IS
 14    BEGIN
 15      line1 :=addressLine1;
 16      line2 :=addressLine2;
 17      city :=address_city;
 18      state_code :=address_state;
 19      zip :=address_zip;
 20    END set_address;
 21  END;
 22  /

Type body created.

SQL>
SQL> CREATE TABLE address_master OF address;

Table created.

SQL>
SQL> INSERT INTO address_master VALUES (address('19 J','Rd','Vancouver','NJ','00000'));

1 row created.

SQL>
SQL> select * from address_master;

LINE1                LINE2                CITY                 ST
-------------------- -------------------- -------------------- --
ZIP
-------------
19 J                 Rd                   Vancouver            NJ
00000


1 row selected.

SQL>
SQL> BEGIN
  2    DELETE FROM address_master a WHERE (a.line1 IS NULL)AND (a.line2 IS NULL);
  3  END;
  4  /

PL/SQL procedure successfully completed.

SQL>
SQL> drop table address_master;

Table dropped.

SQL>
SQL>