COLUMN Formatting in SELECT for Object : Select « Object Oriented « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial
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Oracle PL/SQL Tutorial » Object Oriented » Select 
32. 11. 5. COLUMN Formatting in SELECT for Object
SQL>
SQL> COLUMN address FORMAT a50;
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 (
  2  empno NUMBER(3),
  3  name VARCHAR2(20),
  4  address ADDRESS_OBJ);

Table created.

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

row created.

SQL>
SQL> select from emp;

     EMPNO NAME                 ADDRESS(STREET, CITY, STATE, ZIP)
---------- -------------------- --------------------------------------------------
       101 A                    ADDRESS_OBJ('1 St.', 'M''AL', '36608')

SQL>
SQL> select address from emp;

ADDRESS(STREET, CITY, STATE, ZIP)
--------------------------------------------------
ADDRESS_OBJ('1 St.', 'M''AL', '36608')

SQL>
SQL> drop table emp;

Table dropped.

SQL> drop type ADDRESS_OBJ;

Type dropped.

SQL>
32. 11. Select
32. 11. 1. Selecting Rows from the Table with object type column
32. 11. 2. Select an individual column object from a table
32. 11. 3. Querying Rows from the object Table
32. 11. 4. SELECTing Only One Column in the Composite
32. 11. 5. COLUMN Formatting in SELECT for Object
32. 11. 6. ORA-00932: inconsistent datatypes: expected REF
32. 11. 7. Query table column with user defined type
32. 11. 8. Use table function to convert type to a 'table'
32. 11. 9. Create type and use it in inner query
32. 11. 10. Use user-defined type to combine query logic
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