array in MySQL

Question

I want to store an array in a record.

Table1:

ID, Name, Friends (friends should be an array)
1, Bill, 2&3
2, Charles, 1&3
3, Clare, 1

I want to

Answer 1

You might want a comma-separated value, but it's not recommended. Why not use another table for showing relationships?

Table2
----------------------
PARENT_ID | FRIEND_ID
----------------------
1         | 2
1         | 3
2         | 1
2         | 3
----------------------