Does compound index have direction in MySQL?

Posted by symfony on Stack Overflow See other posts from Stack Overflow or by symfony
Published on 2010-03-23T13:58:01Z Indexed on 2010/03/24 9:33 UTC
Read the original article Hit count: 401

Filed under:
|

When will the below be necessary:

create index i_t_a_b on t(a,b);

create index i_t_b_a on t(b,a);

© Stack Overflow or respective owner

Related posts about mysql

Related posts about covering-index