Set the depth to 2 and describe a nested table : Nested Table Column « Collections « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. Collections
3. Nested Table Column

SQL>
SQL> CREATE Or Replace TYPE AddressType AS OBJECT (
  2    street VARCHAR2(15),
  3    city   VARCHAR2(15),
  4    state  CHAR(2),
  5    zip    VARCHAR2(5)
  6  );
  7  /
SQL>
SQL> CREATE Or Replace TYPE nested_table_AddressType AS TABLE OF AddressType;
  2  /

Type created.

SQL>
SQL> CREATE TABLE employee (
  2    id         INTEGER PRIMARY KEY,
  3    first_name VARCHAR2(10),
  4    last_name  VARCHAR2(10),
  5    addresses  nested_table_AddressType
  6  )
  7  NESTED TABLE
  8    addresses
  9  STORE AS
 10    nested_addresses;

Table created.

SQL>
SQL> SET DESCRIBE DEPTH 2;
SQL> DESCRIBE employee;
 Name            Null?    Type
---------------------------------------------------
 ID              NOT NULL NUMBER(38)
 FIRST_NAME               VARCHAR2(10)
 LAST_NAME                VARCHAR2(10)
 ADDRESSES                NESTED_TABLE_ADDRESSTYPE
   STREET                 VARCHAR2(15)
   CITY                   VARCHAR2(15)
   STATE                  CHAR(2)
   ZIP                    VARCHAR2(5)

SQL>
SQL> drop table employee;

Table dropped.

SQL>
SQL>
SQL>