This would be useful, for example, if you wanted to add new columns or apply a data patch of some sort.
Nke a ga-aba uru, dịka ọmụmaatụ, ma ọ bụrụ na ịchọrọ ịtinye ogidi ọhụrụ ma ọ bụ tinye akara ntanetị ụdị ụfọdụ.