To add-on responses by @dlehman1 & @txnelson with images,
Easiest way is to use the GUI / user interface (see steps below).
1) Click "Row" > "Row Selection" > "Select Where"

2) Select the column > Is Missing > Add condition

3) Repeat step 2 for all columns

4) Select rows > choose if "any condition is met"

5) Click "Apply"

6) right click at table rows > choose "delete rows"

6) Result as below;
