In a relational database, you should restrict each position in the table to a single entry, that is, you do not permit multiple entries, often called ____ in the table.

Which of the following enables you to click an item when using a touchscreen?

A) Slide right B) Press and hold for a few seconds C) Touch the item with two fingers D) Tap the item

Do not use data ________ and individual values in a chart

Fill in the blank(s) with correct word