mysql check if numbers are in a comma separated list

Question

I have a table like this:

UID(int) NUMBERS(blob)
----------------------
1        1,13,15,20
2        3,10,15,20
3        3,15

And I would l

Answer 1

Also check if this is helpful to anyone

An Extended function to eliminate the limitation of native FIND_IN_SET() in MySQL, this new extended version FIND_IN_SET_X() provides feature to compare one list with another list.

i.e.

mysql> SELECT FIND_IN_SET_X('x,c','a,b,c,d'); -> 3 

Checkout this link for more details.