Nope, more like this:

with basedata (

name,

addy,

ph,

grade

) as (

select

name,

addy,

ph,

grade1

from

sourcetable

union all

select

name,

addy,

ph,

grade2

from

sourcetable

union all

select

name,

addy,

ph,

grade3

from

sourcetable

union all

select

name,

addy,

ph,

grade4

from

sourcetable

union all

select

name,

addy,

ph,

grade5

from

sourcetable

)

INSERT INTO dest_table(

name,

addy,

ph,

grade

)

select

name,

addy,

ph,

grade

from

BaseData

where

grade is not null;