Get information on your varrays from the user_varrays view : user_varrays « System Tables Data Dictionary « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. System Tables Data Dictionary
3. user_varrays

SQL>
SQL>
SQL> desc user_varrays;
 Name         Null?    Type
-----------------------------------------
 PARENT_TABLE_NAME       VARCHAR2(30)   Name of the table that contains the varray.                                                                  
 PARENT_TABLE_COLUMN     VARCHAR2(4000) Name of the column in the parent table containing the varray.                                                
 TYPE_OWNER              VARCHAR2(30)   User who owns the varray type.                                                                               
 TYPE_NAME               VARCHAR2(30)   Name of the varray type.                                                                                     
 LOB_NAME                VARCHAR2(30)   Name of the large object (LOB) if the varray is stored in a LOB. You'll learn about LOBs in the next chapter.
 STORAGE_SPEC            VARCHAR2(30)   Storage specification for the varray.                                                                        
 RETURN_TYPE             VARCHAR2(20)   Return type of the column.                                                                                   
 ELEMENT_SUBSTITUTABLE   VARCHAR2(25)

SQL>
SQL> CREATE Or Replace TYPE addressVarray AS VARRAY(2) OF VARCHAR2(50);
  2  /

Type created.

SQL> DESCRIBE addressVarray;
 addressVarray VARRAY(2) OF VARCHAR2(50)

SQL>
SQL> --SELECT * FROM user_varrays;
SQL>
SQL>
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