In your table field ZDOCTYPE you do not have the entry NB7 in row 3 so it will not be selected. The entry in row 3 is NB2,NB4,NB7......
If you want to select row 3 then you need to use WHERE ZDOCTYPE LIKE %NB7%.
In your table field ZDOCTYPE you do not have the entry NB7 in row 3 so it will not be selected. The entry in row 3 is NB2,NB4,NB7......
If you want to select row 3 then you need to use WHERE ZDOCTYPE LIKE %NB7%.