To test whether a character is a numeric digit character, use the __________ function.

Which best describes a data warehouse?

a. a building that stores computer servers b. a software program that assists with file management c. a collection of all the data from an organization's databases d. a database that organizes data from multiple organizations

To select a range of noncontiguous cells in Excel, press and hold the ________ key while selecting cells

A) Shift + Enter B) Shift C) Alt D) Ctrl + Alt