Delete whole row if one cell is missing

[#1]

I am trying to reduce the number of rows.
I need a function where if Column 3 have any empty cell , it will delete the whole row.
here is a picture of the table 
in this case Column 3 name is (Row 4)

[#2]

names default to here(1);
dt = current data table();
dt << select where(:Row 4 == "" );
dt << delete rows;