In a hierarchical database, the data is divided into several tables that can be related to each other by a common field

To end typing a list, press ________ two times to turn off automatic numbering

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

Which PHP function returns the timestamp of the time the file was last modified?

a. file m time() b. file a time() c. file type() d. file perms()