You can ________ in the header or footer area of a document to open a header or footer

Match the following four terms to their appropriate description:

I. Join Type A. Used to ensure the common field always contains identical values II. Enforce Referential Integrity B. Used to make changes to the Primary table translate to the Related III. Cascade Update C. Used to change the join from Inner to Outer IV. Cascade Delete D. Used to take away fields from the Related table if done in the Primary

Which files must be edited to change the name of a Linux PC (e.g., from PC1 to machine1) ?

What will be an ideal response?