There are five different options how to edit your table data:
(1) Inline
That is what the editing looks like with this option:
(2) Edit Form
This is what the editing looks like with this option:
(3) Edit Form and Display Row
This is what the editing looks like with this option:
(4) Popup Edit Form
This is what the editing looks like with this option:
(5) Batch Mode
This is what the editing looks like with this option:
In the Batch mode you can edit all of your records at once.