Oracle database procedures, functions, packages, triggers

process:

procedures_name Call (p1, P2, ...); - call a stored procedure 
the SELECT  *  from USER_PROCEDURES The; - obtaining information about stored procedures 
Show errors for  Procedure procedure_name; - view the stored procedure errors

function:

the SELECT function_name (p1, P2 ...) from Dual; - call 
the SELECT  *  from USER_PROCEDURES The; - query function, according to object_type distinguish between procedures, functions, ...

package:

the SELECT . package name procedure / function from . Dual; or call the package name procedure / function; - function or procedure call package 
the SELECT  *  from USER_PROCEDURES The; - query package information

trigger:

the ALTER  the Trigger trigger_name disable; - disabling triggers 
the SELECT  *  from user_triggers; - reading the trigger information