Compile invalid objects - oracle database script

-- To compile all objects in database  @$ORACLE_HOME/rdbms/admin/utlrp.sql  -- Compile objects of a particular schema:  EXEC DBMS_UTILITY.compile_schema(schema => 'APPS');  -- Compiling a package;  ALTER PACKAGE APPS.DAIL_REPORT COMPILE;  ALTER PACKAGE APPS.DAIL_REPORT COMPILE BODY;  -- Compiling a procedure:  ALTER PROCEDURE APPS.REPORT_PROC COMPILE;  -- Compiling a view:  ALTER VIEW APPS.USERSTATUS_VW COMPILE;  -- Compiling a function:  ALTER FUNCTION APPS.SYNC_FUN COMPILE;