-------------- select now() -------------- +---------------------+ | now() | +---------------------+ | 2010-04-21 03:43:39 | +---------------------+ 1 row in set (0.00 sec) -------------- select now() -------------- +---------------------+ | now() | +---------------------+ | 2010-04-21 03:43:39 | +---------------------+ 1 row in set (0.00 sec) -------------- select calflushcache() -------------- +-----------------+ | calflushcache() | +-----------------+ | 0 | +-----------------+ 1 row in set (0.34 sec) -------------- SELECT avg(L_EXTENDEDPRICE), avg(L_DISCOUNT) FROM lineitem WHERE L_SHIPDATE between '1997-01-01' and '1997-12-31' and L_DISCOUNT BETWEEN 0.02 AND 0.04 AND L_QUANTITY < 25 -------------- +----------------------+-----------------+ | avg(L_EXTENDEDPRICE) | avg(L_DISCOUNT) | +----------------------+-----------------+ | 18743.483595 | 0.030000 | +----------------------+-----------------+ 1 row in set (48.66 sec) -------------- select calgetstats() -------------- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | calgetstats() | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Query Stats: MaxMemPct-0; NumTempFiles-0; TempFileSpace-0MB; ApproxPhyI/O-3119689; CacheI/O-4003913; BlocksTouched-4010083; PartitionBlocksEliminated-4966789; MsgBytesIn-14MB; MsgBytesOut-0MB; Mode-Distributed| 1271839419 791418 | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) -------------- select now() -------------- +---------------------+ | now() | +---------------------+ | 2010-04-21 03:44:28 | +---------------------+ 1 row in set (0.00 sec) -------------- SELECT avg(L_EXTENDEDPRICE), avg(L_DISCOUNT) FROM lineitem WHERE L_SHIPDATE between '1997-01-01' and '1997-12-31' and L_DISCOUNT BETWEEN 0.02 AND 0.04 AND L_QUANTITY < 25 -------------- +----------------------+-----------------+ | avg(L_EXTENDEDPRICE) | avg(L_DISCOUNT) | +----------------------+-----------------+ | 18743.483595 | 0.030000 | +----------------------+-----------------+ 1 row in set (11.92 sec) -------------- select calgetstats() -------------- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | calgetstats() | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Query Stats: MaxMemPct-0; NumTempFiles-0; TempFileSpace-0MB; ApproxPhyI/O-0; CacheI/O-4010083; BlocksTouched-4010083; PartitionBlocksEliminated-4966789; MsgBytesIn-14MB; MsgBytesOut-0MB; Mode-Distributed| 1271839468 301024 | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) -------------- select now() -------------- +---------------------+ | now() | +---------------------+ | 2010-04-21 03:44:40 | +---------------------+ 1 row in set (0.00 sec) Bye