Horizontal Partitioning Is Advisable on a Distributed Database Network ____

Horizontal partitioning is advisable on a distributed database network ____.

A) when particular records of a table are used at some network sites more than at others
B) when all records of a table are used at some network sites more than at others
C) when different sites on the network require different columns of the table
D) when all of the columns of a table are used at some network sites more than at others
E) None of the above.