Full text search vs LIKE

Question

My question is about using fulltext.As I know like queries which begin with % never use index :

SELECT * from customer where name like %username%

Answer 1

https://stackoverflow.com/users/289319/mike-chamberlain, you are quite right as you suggest it's not enough to search something 'chain' WHERE Name LIKE 'chain%' AND Name_Reversed LIKE 'niahc%' is not equivalent to like'%chain%'****