Reference type column : Object Column « Object Oriented Database « Oracle PL / SQL

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Oracle PL / SQL » Object Oriented Database » Object Column 
Reference type column
    

SQL> CREATE or replace TYPE BookType;
  2  /

Type created.

SQL> PROMPT Now we can create ProductType successfully
Now we can create ProductType successfully
SQL>
SQL> CREATE OR REPLACE TYPE ProductType AS OBJECT (
  2     item_id        NUMBER(10),
  3     num_in_stock   NUMBER(10),
  4     reorder_status VARCHAR2(20),
  5     price       REF   BookType);
  6  /

Type created.

   
    
    
    
  
Related examples in the same category
1. The Object Type Column Objects
2. Format column in the object
3. Alter a table with user-defined object to upgrade including data
4. use user-defined type as the column type
5. Query column with user-defined type
6. Check object table column type
7. Use varray in a table
8. Nested type Column
9. This script demonstrates column objects.
10. Reference nested data type in select statement
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