【多选题】有以下SQL语句 create type Dollars as numeric(12,2) final; create type Pounds as numeric(12,2) final; --创建表:US_university (美国大学,包括两列:名称、预算) create table US_university (name varchar(25) not null, budget Doll...
A.
Dollars和Pounds属于独特类型
B.
select us.name, uk.name from us_university as us, uk_university as uk where us.budget = uk.budget;
C.
select us.budget + 200000 from us_university as us;