Why must a data warehouse include both detail and summary data?

What will be an ideal response?


Many decision makers need similar information and need it regularly. Prepared summary data and standard reports can take the pressure off the data warehouse and speed up the provision of regularly needed information.

PTS: 1

Computer Science & Information Technology

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Although there is nothing wrong with declaring all variables at the beginning of a procedure, many programmers would prefer to create a variable only if it is necessary to do so.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

In the ADT list, when an item is deleted from position i of the list, ______.

a) the position of all items is decreased by 1 b) the position of each item that was at a position smaller than i is decreased by 1 c) the position of each item that was at a position greater than i is decreased by 1 d) the position of each item that was at a position smaller than i is increased by 1 while the position of each item that was at a position greater than i is decreased by 1

Computer Science & Information Technology

The return type ________ indicates that when a function completes its task, it does not return (i.e., give back) any information to its calling function.

a. null b. virtual c. nullptr d. void

Computer Science & Information Technology

Which of the following is not a command used in the hostname configuration of a JURT?

a. set host-name Juniper b. commit host-name c. configure d. edit system

Computer Science & Information Technology