At this point, there's only 1 row in companies, and 8 in contacts.

table           type    possible_keys           key     key_len ref     rows    Extra
companies       system  PRIMARY,comp_id                         1       Using filesort
contacts                ALL     cont_comp_id_idx                                8      
 where used

The query that produced the above is:

EXPLAIN select * from contacts, companies where contacts.comp_id=companies.comp_id
order by contacts.short_name;

Mark Chalkley


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