Explain the difference between good and bad table structures. how do you recognize the difference between good and bad structures?

Answer and Explanation:

DIFFERENCE BETWEEN GOOD AND BAT TABLE STRUCTURE :

Good tables have no redundant data but bad table have redundant data,Good table have proper proper structure but bad table table don't have proper structure.We can understand good tables very easily but there is very difficulties in understanding bad tables.Good tables would not merge with many data but bad table merge with many data.

Ligma is the answer