Is MySQL index_length in bytes?

Question

The MySQL documentation defines index_length as \"The length of the index file\" but doesn\'t specify the unit. Is it bytes?

http://dev.mysql.com/doc/refman/5.1/en/show

Answer 1

Yes, it is bytes. The same holds true for the other lengths in show table status. They are all in bytes:

Avg_row_length
Data_length
Max_data_length
Index_length