count(c_custkey)	min(c_custkey)	max(c_custkey)	sum(c_custkey)	avg(c_custkey)
30000	1	30000	450015000	15000.5000
count(c_name)	min(c_name)	max(c_name)
30000	Customer#000000001	Customer#000030000
count(c_address)	min(c_address)	max(c_address)
30000	  3SUEwTaEs35Z	zzyQcZpC50YD
count(c_city)	min(c_city)	max(c_city)
30000	ALGERIA  0	VIETNAM  9
count(c_nation)	min(c_nation)	max(c_nation)
30000	ALGERIA	VIETNAM
count(c_region)	min(c_region)	max(c_region)
30000	AFRICA	MIDDLE EAST
count(c_phone)	min(c_phone)	max(c_phone)
30000	10-100-449-4295	34-999-791-6646
count(c_mktsegment)	min(c_mktsegment)	max(c_mktsegment)
30000	AUTOMOBILE	MACHINERY