Manual compilation of INVALID objects in Oracle

#TO Compile Package 

ALTER PACKAGE schema.package COMPILE;

#To Compile Package Body 

ALTER PACKAGE schema.package COMPILE BODY;

#To Compile Synonym

ALTER SYNONYM schema.synonym compile;

#To Compile Procedure 

ALTER PROCEDURE schema.procedure COMPILE;

#To compile Function 

ALTER FUNCTION schema.function COMPILE;

#To Compile Trigger 

ALTER TRIGGER my_trigger COMPILE;

#To Compile View 

ALTER VIEW schema.view COMPILE;

#To Compile Materialized view

ALTER MATERIALIZED VIEW schema.view compile; 

#To Compile Public Synonym

ALTER PUBLIC SYNONYM my_synonym compile;