今回も以下のように、前回と同じSQLのチューニングを行います。 select l_orderkey, sum(l_extendedprice * (1 - l_discount)) as revenue, o_orderdate, o_shippriority from customer, orders, lineitem where c_mktsegment = 'BUILDING' and c ...

Database vendors have been advocating data partitioning techniques for managing large volumes of data over the past several years. Oracle has pioneered this trend with Oracle Database 8 and improved ...