A.Define indexes on the columns that are used in calculations.

B.Filter data in lower layers.

C.Move data-intensive calculations from the database to an application server.

D.Avoid transferring large result sets between database and client applications.

A.~

B.None of the above

C.@

D.#

A.Attributes of screen elements

B.Values of screen elements

C.Screen status

D.Function code of buttons

A.Data element

B.Domain

C.Structure

D.Table

E.Field

A.To access system fields

B.At the time of Dictionary Views

C.To view scalar components

D.Need the query in one piece of code only