suppose I have a mysql table like following:
id value
1 01
2 03
3 02
4 15
5 05
6 04
7 06
8 10
9 07
10 09
11 08
12 11
13 12
14 14
15 13
16 16
How can I convert them to a string like this:
01,03,02,15|05,04,06,10|07,09,08,11|12,14,13,16
any help will be greatly appreciated, thanks!