Behavior of dependent objects. : user_objects « System Tables Data Dictionary « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » System Tables Data Dictionary » user_objects 
30. 90. 20. Behavior of dependent objects.
SQL>
SQL> COLUMN object_name FORMAT a20
SQL>
SQL> CREATE TABLE simple_table (f1 NUMBER);

Table created.

SQL>
SQL> CREATE OR REPLACE PACKAGE Dependee AS
  2    PROCEDURE Example(p_Val IN NUMBER);
  3  END Dependee;
  4  /

Package created.

SQL>
SQL> CREATE OR REPLACE PACKAGE BODY Dependee AS
  2    PROCEDURE Example(p_Val IN NUMBERIS
  3    BEGIN
  4       INSERT INTO simple_table VALUES (p_Val);
  5    END Example;
  6  END Dependee;
  7  /

Package body created.

SQL>
SQL> CREATE OR REPLACE PROCEDURE Depender(p_Val IN NUMBERAS
  2  BEGIN
  3    Dependee.Example(p_Val + 1);
  4  END Depender;
  5  /

Procedure created.

SQL>
SQL> SELECT object_name, object_type, status FROM user_objects WHERE object_name IN ('DEPENDER', 'DEPENDEE','SIMPLE_TABLE');

OBJECT_NAME          OBJECT_TYPE         STATUS
-------------------- ------------------- ----------
DEPENDEE             PACKAGE             VALID
DEPENDEE             PACKAGE BODY        VALID
DEPENDER             PROCEDURE           VALID
SIMPLE_TABLE         TABLE               VALID

rows selected.

SQL>
SQL> CREATE OR REPLACE PACKAGE BODY Dependee AS
  2    PROCEDURE Example(p_Val IN NUMBERIS
  3    BEGIN
  4      INSERT INTO simple_table VALUES (p_Val - 1);
  5    END Example;
  6  END Dependee;
  7  /

Package body created.

SQL>
SQL> SELECT object_name, object_type, status FROM user_objects WHERE object_name IN ('DEPENDER', 'DEPENDEE','SIMPLE_TABLE');

OBJECT_NAME          OBJECT_TYPE         STATUS
-------------------- ------------------- ----------
DEPENDEE             PACKAGE             VALID
DEPENDEE             PACKAGE BODY        VALID
DEPENDER             PROCEDURE           VALID
SIMPLE_TABLE         TABLE               VALID

rows selected.

SQL>
SQL> DROP TABLE simple_table;

Table dropped.

SQL>
SQL> SELECT object_name, object_type, status FROM user_objects WHERE object_name IN ('DEPENDER', 'DEPENDEE','SIMPLE_TABLE');

OBJECT_NAME          OBJECT_TYPE         STATUS
-------------------- ------------------- ----------
DEPENDEE             PACKAGE             VALID
DEPENDEE             PACKAGE BODY        INVALID
DEPENDER             PROCEDURE           VALID

rows selected.

SQL>
30. 90. user_objects
30. 90. 1. Check user_objects for object name
30. 90. 2. Check the package status in user_objects
30. 90. 3. Check function/procedure status
30. 90. 4. Check the status for all stored procedures is by using the Oracle data dictionary view USER_OBJECTS
30. 90. 5. Get invalid table objects by joining user_segments and user_objects
30. 90. 6. Get all invalid user objects in user_objects table
30. 90. 7. Create drop command by query the user_objects table
30. 90. 8. Create grant permission command by querying user_objects table
30. 90. 9. Query user_objects for all packages, procedures and functions
30. 90. 10. Query user_objects for user-defined data type
30. 90. 11. Recompile all invalid package
30. 90. 12. Query user_objects for all java classes
30. 90. 13. Query user_objects for all PL/SQL code
30. 90. 14. Get Object id from user_objects
30. 90. 15. Join sys.col$ and user_objects
30. 90. 16. Query user_objects for object status
30. 90. 17. Query user_objects for your functions and procedures
30. 90. 18. User and its average object id
30. 90. 19. Show the procedure is marked invalid **
30. 90. 20. Behavior of dependent objects.
30. 90. 21. Finding, Validating, and Describing Packages
30. 90. 22. If procedure is valid
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