Definition:
In Oracle PL/SQL, the VALUE function is used in Oracle's object architecture to fetch an object instance of the table column, which corresponds to the current row in the table.
Example Syntax:
VALUE(object column)
Example Usage:
The example code below creates an object table and queries its instances using VALUE function.
SQL> CREATE TYPE TEST_TYP AS OBJECT
(ID NUMBER, NAME VARCHAR2(100);
Type created.
SQL> CREATE TABLE TAB_TYPE OF TEST_TYP;
Table created.
SQL> INSERT INTO TAB_TYPE VALUES (TEST_TYP(1,'AAA'));
1 row created.
SQL> INSERT INTO TAB_TYPE VALUES (TEST_TYP(2, 'BBBB'));
1 row created.
SQL> SELECT VALUE(T) FROM TAB_TYPE T;
VALUE(T)(ID, NAME)
---------------------------
TEST_TYP(1, 'AAA')
TEST_TYP(2, 'BBBB')
Related Code Snippets:
