>>>> 2012/04/10 15:58 -0400, Stephen Tu >>>> select c_custkey, c_name, sum(l_extendedprice * (100 - l_discount)) as revenue, c_acctbal, n_name, c_address, c_phone, c_comment from CUSTOMER_INT, ORDERS_INT, LINEITEM_INT, NATION_INT where c_custkey = o_custkey and l_orderkey = o_orderkey and o_orderdate >= date '1994-08-01' and o_orderdate < date '1994-08-01' + interval '3' month and l_returnflag = 'R' and c_nationkey = n_nationkey group by c_custkey, c_name, c_acctbal, c_phone, n_name, c_address, c_comment order by revenue desc limit 20 <<<<<<<< I understand that MySQL works better if inner joining explicitly is stated, not implicitly as you have it.
What are your keys, indices? Going by that which I have read & heard, you want every field named after this query s 'where' an index, if not key--and, of course, your every field named '...key' is a key, right? -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql
