Table space huge spike

Database
Enthusiast

Table space huge spike

Hi All,

we have TD 16.20.One table was till 08/05 100GB on 08/06 it bcom 800GB.There was no diffrenece except 4 new columns were added.(char(5),cahr(5),char(6),char(1)).Load was not spiked as almost same number of rows got incresed.Nowif i tried to load a empty table from this 800GB table exclusing these 4 new columns still its coming as 800GB.Can anybody give me any clue.I also compress NUlls but of no use.Help me to solve