Whether you've just inserted a new table, or are editing an existing one, changing the text in the table cells determines what the table looks like to a reader. But you can do more than just change text.
A table consists of the following basic elements, which you can modify:
Besides beginning the table, this is also where table class is defined – for example, class="wikitable". A table's "class" applies a standard set of Wikipedia formatting to that table. The two most commonly used classes are "wikitable" and "wikitable sortable".
Optional, and placed only between table start and the first table row.
Optional. Each header cell starts with a new line and a single exclamation mark (!), or several header cells can be placed consecutively on the same line between double exclamation marks (!!).