Immunity of the external schemas (or application programs) to changes in the conceptual schema is referred to as: (A) Physical Data Independence (B) Logical Data Independence (C) Both (a) and (b) (D) None of the above
Immunity of the external schemas (or application programs) to changes in the conceptual schema is referred to as: (A) Physical Data Independence (B) Logical Data Independence (C) Both (a) and (b) (D) None of the above
nan