Consider the following table:
请考虑下表:
create table temp
(
name int,
a int,
b int
)
insert into temp (name, a, b)
values (1, 2, 3)
insert into temp (name, a, b)
values (1, 4, 5)
insert into temp (name, a, b)
values (2, 6, 7)
create