input: [Name] is_null_call [Description] If the function automatically returns null if any of its arguments are null, then YES, else NO. [Data Type] 
output: yes_or_no
options: s q l _ i d e n t i f i e r
options: c h a r a c t e r _ d a t a
options: c a r d i n a l _ n u m b e r
options: y e s _ o r _ n o
options: t i m e _ s t a m p