Once the Office app's Help window is open, you can search for help using the Table of Contents, clicking the links in the Help window, or entering search text in the 'Search online help' text box.

A primary key field is a field that uniquely identifies the record

Indicate whether the statement is true or false

The three traversal algorithms we mentioned in the text for binary search trees are ________ , _______ and _______.

Fill in the blank(s) with the appropriate word(s).