All tables share some common features.
Any changes made in a table, such as checking a checkbox, selecting rows, changing a name, are propagated immediately. There is no "apply" button.
There is a popup menu for the body of the table, and a separate popup menu for the header.
The header popup menu can be used to set checkboxes en masse.
Check selected / Uncheck selected sets/unsets the checkboxes for all the selected rows.
Check all / Uncheck all sets/unsets the checkboxes for all the rows.