use gy; create table location (Region char(20),Store_Name char(20)); insert into location values('East','Boston'); insert into location values('East','New York'); insert into location values('West','Los Angeles'); insert into location values('West','Houston'); create table store_info (Store_Name char(20),Sales int(10),Date char(10)); insert into store_info values('Los Angeles','1500','2020-12-05'); insert into store_info values('Houston','250','2020-12-07'); insert into store_info values('Los...