How to re-Compile Invalid Objects (Package, Function, Procedure, View, Trigger)

Step 1. Create sql file as compile.sql in shell and content as below:

connect &1/&2

set pages 1000
set head off
set feedback off

spool compile1.sql
prompt set feedback on
select 'alter '||decode(object_type,'PACKAGE BODY',
    'PACKAGE',object_type)||' '||object_name||' '||
     decode(object_type,'PACKAGE BODY','compile body','compile')||';'
from user_objects
where status='INVALID'
/
spool off
@compile1.sql


Step 2. Login Oracle by sqlplus:

#sqlplus / as sysdba

Step 3. execute sql file:

> @compile.sql

HZ & HR Employee tables

1.PER_ALL_ASSIGNMENTS_F

2.PER_ALL_PEOPLE_F

1. HZ_PARTIES

2. HZ_ORGANIZATION_PROFILES

3. HZ_PERSON_PROFILES

4. HZ_CUSTOMER_PROFILES

5. HZ_LOCATIONS

6. HZ_PARTY_SITES

7. HZ_PARTY_SITE_USES

8. HZ_CUST_ACCOUNTS

9. HZ_CUST_ACCT_SITES

10. HZ_CUST_SITE_USES

11. HZ_CONTACT_POINTS

12. HZ_ORG_CONTACTS

13. HZ_ORG_CONTACT_ROLES

14. HZ_RELATIONSHIPS

15. HZ_CLASS_CATEGORIES

16. HZ_CLASS_CODE_DENORM

17. HZ_CODE_ASSIGNMENTS

18. HZ_CLASS_CATEGORY_USES

19. HZ_RELATIONSHIP_TYPES

PO_EMPLOYEE_HIERARCHIES_ALL